Services like Foursquare , Gowalla and others make it easy to post your physical location to the web – but what makes people want to do that at all? Fifteen-month old Foursquare is adding 100,000 new users every week and Facebook has made it clear that location is a feature it is preparing to offer soon . What’s the motivation for users to register online where in the off-line world they are? We asked some users of these services and found that they had varied and interesting answers. Sponsor Service May Vary Of course location services vary widely in nature. Nick Bicanic’s startup EchoEcho , for example, is a very discrete service for letting one friend know where you are at a time, emphasizing extreme ease of use. OK Magazine’s new celebrity stalking location app might represent the other end of the spectrum. Most people who shared their experiences with us were using one of the big social location apps: Foursquare, Gowalla, Google Latitude or BrightKite. Real world businesses are starting to make interesting use of these services (here’s one list of twenty one different examples ). The types of places users check in to are somewhat diverse, too. Though the stereotype of Foursquare users as youthful bar-hoppers is largely confirmed by the numbers. According to a data visualization by the independent group BitsyBot Labs , bar check-ins on the service beat out check-ins at places of education and parks almost all last week. Bars were about equal with the arts and entertainment category. Food and shopping reign supreme, but on most days travel tops drinking, too. Those numbers tell you something about aggregate activities, but why do individuals participate in this in the first place? It’s emotional – and it’s different for different people. Will location apps become far more popular once mobile coupons become ubiquitous and people can save money by using such services? Maybe, but there are clearly other types of incentives already available. Serendipity and Connection San Francisco entrepreneur Pat Diven uses location based social networks for probably the best-known reason, and in the types of circumstances you might expect. He’s checked in on Foursquare more than four hundred times, including at the bloggers’ event WordCamp, more than three times at an Apple store and at more than twenty different pizza places. His Plancast account, where he records not where he is – but where he will be – indicates that he’s the kind of guy who likes both big tech conferences and things like camping in Big Sur or beer and music parties in the countryside. “I use location for chance meetups with people I know in the city,” he said last Friday afternoon, via a Twitter client on his phone. “It’s worked a few times.” Diven also raised a common concern, articulated as a sophisticated social network user might: “Hoping for more granular control soon!” He’s a good example of an active person, who both exposes a lot of their activity publicly and has entirely private accounts on other services. Diven exposes enough, though, that I was able to see a lot of information about what he likes to do just by looking around online – I didn’t speak to him for this article beyond trading a single Tweet. He’s been doing this for long enough (his Twitter account is more than three years old) that he’s sure to have decided that a certain amount of public exposure was worth it to him. Cambridge-based experimental tech CEO Shava Nerad is on the other side of the country and has a different take on the use of location apps to connect with other people. She says for her it’s simple. “I have friends who work in coffee shops and we like to spontaneously clump to co-work,” she said by iPhone early Saturday evening. “The rest doesn’t matter to me.” Nerad’s public Foursquare history is much tamer than many peoples’ – though she did once win a badge for checking in after 3am on a week night, so apparently it’s not all about working. Portland, Oregon consultant Mike M. says he uses location services to track people more than to meet them. His son works in Emergency Medical Services and he keeps an eye on him using Google’s service Latitude , “hoping he stays safe.” (I called him Mr. M. just because I don’t want to see his kid get in trouble.) Location apps for tracking people around medical matters? That kind of thing makes many people take pause. Some of the same types of tracking technology is being incorporated into medicine and is in many cases causing a substantial reconsideration of patient privacy. In the consumer world, it’s different. I showed my dental hygienist last week who else was checked in to the dentist’s office on Foursquare at the same time I was and her first reaction was concern about HIPPA. She decided that no one could stop the patients themselves from exposing their own location, she just couldn’t confirm to me whether or not she actually knew who those people were. Much more straight-forward, in the people connection department, was my wife’s comment left on Facebook last week when she got home and I was gone. I had checked in to a coffee shop, pushed the update from Foursquare to Facebook and she commented “there you are! I was wondering where you went.” Be it for chance or as an exercise in caution, the uses of location services for tracking other people are just beginning to become clear. For the Win Many of the popular location based social networks present themselves as games. They give points to users for going to new or multiple places, then tally the points up against the user’s friends. Does that really motivate people to check in? Does it motivate people to go more or different places? Apparently, it does. New York City author, social media consultant and mom Tamar Weinberg says “people disagree with the concept of badges, but I think it’s fun to chase after new opportunity & status.” Hutch Carpenter, almost Weinberg’s exact opposite as an enterprise engineering platform executive in San Francisco, and a dad, says he sees it that way too. “I second that,” he said of Weinberg’s explanation. That ethos of location-based public achievement may go trans-generational, too. Carpenter checked in on Foursquare at Toy Story 3 this Saturday, said it was his six year old son’s first trip to a movie theatre, and pushed the update to Twitter . This game play isn’t necessarily about narcissism. Virginia-based developer Alex Stone , who says he’s made several friends because of Foursquare, says of competing service Gowalla that “[its] quest for items and trip pins has led me to discover some really cool spots in my own small town.” As a Personal History The thing that surprised me most when I asked people why they use location based social networks is how many of them say they use it primarily for their own tracking of their personal history. It’s a lazy diary, people say. I thought, naively, that I was the only one who felt that way. Some people say they use it to help with their expense tracking on business travels. Buffalo, NY web developer Adrian Roselli told me Friday that he started using BrightKite “so I could post photos in real-time while traveling and associating each with locations on maps.” He says he publishes the RSS feed of his check-in history to a map he can view later, to trace his route. That’s really geeky, but according to his check-ins Roselli spent Friday night having desert with a woman and Saturday morning on a charity bike ride. So apparently – you can push a check-in feed to a map and still maintain some connection to the kinds of things that normal people do. Several people told me they are doing technical things like that with their check-in histories, for self-awareness. When I went to New York with my wife earlier this month, she grew very tired of me pulling out my phone to check-in everywhere we went. But once we got home she admitted it was nice to be able to scroll back through the updates to Facebook I published and remember all the places we had been. Or, as Palo Alto’s Spencer Schoeben told me this week-end, “I love looking back at my check-in history and remembering the awesome things I’ve done.” Schoeben is a 16-year old founder of one startup company and CEO of another, so he’s recording a busy young man’s history with those check ins. Schoeben has reason to be proud of his accomplishments – and maybe we all do. The one rational for checking in that no one I talked to claimed for themselves – but that one very perceptive person quietly told me was probably more common than not – was showing off. “To non-explicitly brag about your coolness and/or importance, based on where you eat, drink, work, and travel.” That makes sense to me. Heck, I’ll own it myself, to some degree. Did I feel a little cool when I checked in at Manhattan’s underground ping pong venue and bar called SpinNY and wrote “Crazy place, ping pong balls flying everywhere, hitting me while I drink beer and blog.” Yeah, I did. Was I aware of what I was doing the next weekend when I checked in to two Mid Century Modern furniture stores in a row? Yes, throw me to the type of piranhas that eat people like me! I was aware of what I was doing. There are clearly many different reasons people use location based social networks. Many of us use them for several different reasons ourselves, at different times. There are of course other sides of the story, ranging from the very serious to the somewhat serious – Dan Tynan wrote this weekend at IT World about why you should consider not participating in these kinds of services. Tynan writes a blog called Thank You For Not Sharing , which says it includes “a fair amount of whining.” (It’s really quite funny.) Presuming you’re fully informed (though that’s another matter) then whether these services are for you comes down largely to your circumstances and your attitude. They aren’t for everyone. But they are a good experience for some people, as the stories above illustrate. If you’ve ever wondered why on earth someone would use a service like this – that’s why. Discuss

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Earlier this morning, Google released a new stable version of Chrome, the company’s increasingly popular browser. This new release for Windows, Mac and Linux is the first stable version of Chrome to be distributed with a built-in version of Adobe’s widely used Flash Player. Just two days ago, Google enabled the built-in version of Flash in the beta channel versions of Chrome, where it had already been available earlier this year, though Google then disabled this feature after a while. Sponsor Even though Google is a strong backer of the open HTML5 and CSS3 standard, which can replicate a lot of Flash features, the company is also acutely aware that a lot of users and web developers still rely on Flash. When we talked to Bran Rakowski, Google’s product manager and director for Chrome, last month, he noted that Google thinks that by coupling Flash to the browser, Google can ensure that users will run a very recent and secure version of Flash. Don’t Like Flash in Chrome? Just Disable It. If you don’t want to use Flash in Chrome, you can just type ” about:plugins ” in the address bar in Chrome and disable the plugin. Google’s update mechanism ensures that the browser stays up to date, without any intervention from the user. In addition to this, Google can also test the specific version of Flash it distributes with the browser and ensure that it is stable. With its new crash protection feature in Firefox, Mozilla is also working hard to ensure that crashing Flash content can’t take the whole browser down and Apple and Opera offer a similar feature in their browsers. As CNET’s Stephen Shankland rightly notes , Adobe is also working hard to keep Flash relevant and with the latest version of the Flash Player (10.1), Adobe is also trying to gain a foothold on mobile devices. Google’s own Android operating system is one of the first to support mobile Flash. Discuss

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Beware, all you out there in the Twitterverse – it looks like a new vulnerability has hit the troubled microblogging site and this time it has nothing to do with a man howling “Goooooaaaaaaaal!” or a vuvuzela. Information security blog Praetorian Prefect has dug deep into what looks like a new persistent cross-site scripting (XSS) vulnerability on Twitter that could have spelled even more trouble for the site if it didn’t get taken care of soon. Sponsor The hack was originally pointed out by an Indonesian Twitter user who created the account 0wn3d_5ys to show off the hole. We won’t link the account here, because while it appears to be a benign demonstration of the vulnerability, it has the potential to inject malicious code. As opposed to the most recent Twitter scam, where users spread a phishing scam by clicking on a link sent in a Direct Message that said “Is this you?”, an XSS attack requires no action on the user’s part and could be entirely self-propagating. This particular hack takes advantage of a vulnerability in the Application Registration page, where a shortened link referring to a JavaScript snippet can be inserted, allowing the hack to occur. According to the article at Praetorian Prefect, the vulnerability has been public knowledge for days and Twitter has already been notified. At the moment, the hack still appears to be fully functional. Twitter said that they “are aware of the issue, have fixed it for new applications and are working to fix it for all applications.” Luckily, this seems to be another case where a security hole was found, reported, and fixed before any havoc could be wrecked across the Internet. Discuss

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As smartphone manufacturers improve on the hardware included in their devices, the possibilities for mobile app developers continue to expand. With the speedy new mobile processors and the high resolution cameras, image recognition apps have become very popular on smartphones, and companies like Occipital , makers of RedLaser on the iPhone, make it easy to embed barcode scanning technology into apps. For Android, however, there are fewer solutions, which is why ScanLife , developers of 2D barcode scanning technology, are providing an SDK for Android developers to leverage its scanning application. Sponsor Available now, the SDK allows developers to include a button in their app that will launch ScanLife’s scanning application, or download it if the user doesn’t have it on their phone. After scanning, the user is sent back to the original third-party app with their results. It’s a bit of a strange work-flow compared to RedLaser’s embeddable branded scanner on the iPhone, but it’s a decent solution for Android developers. The app can also be launched from a mobile website by adding a special link in the HTML code of the site. The SDK is free to use and supports several forms of 2D barcodes, including EZ codes, Datamatrix, QR codes and standard UPC barcodes. Right now the software development kit only supported on Android, but ScanLife says they are working on releasing an iPhone version soon. It’s great that more options are out there for developers to use emerging mobile technologies, but it would have been better to see ScanLife offer a more embeddable version of their scanner to foster more unified customer experiences. Having the ability to use the technology is one thing, but providing users with a smooth customer experience is a much higher value add for developers. Discuss

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As important as memorizing vocabulary, conjugating verbs, and declining nouns are, nothing beats speaking practice when it comes to learning a foreign language. The German company Babbel helps make that a lot less intimidating for online learners today with integration of a speech recognition tool into its language learning system. Sponsor The feature allows learners to practice and fine-tune their pronunciation skills as they learn a foreign language. The browser-based speech analysis gives real-time feedback for the user, gauging how close their pronunciation is to that of a native speaker. “We’re encouraging learners to speak and improve their pronunciation with a technical tool before they have to face real-life situations”, says Babbel’s Managing Director Markus Witte. The speech recognition tool is integrated into a new learning exercise in the Babbel courses. Learners hear a word, are prompted to repeat it, and are scored 1-100 based on the quality of their pronunciation The feature will be available immediately in all Babbel courses. No installation – other than upgrading to Adobe Flash Player 10.1 – is required. Babbel’s founding team have a strong background in audio engineering as Witte, along with Lorenz Heine, Toine Diepstraten and Thomas Holl were colleagues at Native Instruments, a leading manufacturer of audio software. The speech recognition tool is one of many innovations that Babbel has brought to foreign language learning, including mobile apps and individualized training programs. Babbel’s competitors include Livemocha and Rosetta Stone . (60/100: Clearly, I need to work on my Swedish) Discuss

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