“STD testing center” seems like number three on a list of “Embarrassing Places to Check in on Foursquare,” but this September, MTV and the geo-location service are aiming to quash that stigma by offering a badge to all those who… Mashable | The Social Media Guide

Hey Foursquare junkies, here’s another merit badge to add to your digital belt: MTV has teamed up with Foursquare to award users who check in to a music venue with the 2010 MTV VMA Moonman Badge. Yeah, a rad… Mashable | The Social Media Guide

Foursquare now has more than 3 million users, if the site’s public user registration numbers are correct. The 3 millionth member appears to be Brian S. from St. Louis, Missouri, who has yet to check in… Mashable | The Social Media Guide

It appears that Foursquare hit the three million user mark sometime over the weekend. The location based social network has been adding users at impressive rates, and only hit 2 million users in early July. It took a year to reach one million; three months to hit 2 million, and a month and a half [...]

In terms of brand recognition, it’s hard to top a huge live display billboard in Las Vegas. But Foursquare has managed to do it. As you can see above, they now have a massive, multi-level and multi-angle display practically screaming about the service to all those in Times Square in New York City. “Check in, [...]

A massive array of shimmering advertisements for Foursquare has been erected in New York City’s Times Square. This picture just appeared on Flickr; it’s pretty impressive. The ad towers over American Eagle’s Times Square retail store.… Mashable | The Social Media Guide

This is a guest post by Hunter Walk (@hunterwalk) who conducted a survey of 500 Foursquare users to better understand their check in behaviors and motivations. His obsession with Foursquare is unrelated to his day job leading the consumer product team at YouTube, although he did at one point hold the Mayorship of their San [...]

Facebook has made its grand entrance into the geolocation space with Facebook Places. Will users embrace it and ditch Foursquare? That’s the question we posed in this week’s Web Faceoff, our ongoing series comparing technology apps… Mashable | The Social Media Guide

This November, Americans will head to the polls and choose from a multitude of candidates vying to become the next senator, governor or mayor. But one particular race won’t be determined by popular vote, nor will it guarantee a certain… Mashable | The Social Media Guide

Back in June, we noted a couple of websites that existed for the sole purpose of revving up mayor battles on Foursquare: When Will I Be Mayor? and Be The Mayor. Today, Foursquare itself has just rolled out a small feature which should also entice users to battle for the crown. Now, when you check-in to [...]