Choose your side in the checkin wars. We have Foursquare, Gowalla, and now possibly Facebook jumping in a big way. Another application is mentioned below that to me has huge potential.
Major retailers are working with a new smartphone application that tracks and offers promotions to shoppers as they move from outside the store, to counters, to cash registers — even inside the dressing room (now that’s persistence). Read more at the NYTimes.
LinkedIn may be viewed as the premier professional-networking service, but ask any recent college graduate if they use it and you’re liable to get a blank stare. These are exactly the kind of people who would benefit the most from BranchOut, a brand new app that lets you use your Facebook friends to find a job. Read more at the New York Post.
I also mention this post from Dan Neely on how marketers are really using social media.