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.... 

Around this time yesterday, Cheezburger Network CEO Ben Huh publicly offered on Twitter to buy Reddit from publishing company Condé Nast . Reddit Co-Founder Alexis Ohanian responded in a blog post this morning suggesting that all the relevant parties... 

Today on their blog, URL shortening service Bit.ly unveiled a cute new feature: Clickabit . It’s a Twitter account that surfaces some of the “ surprising and bizarre ” links being shortened and shared across their network. But the feature... 

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 or... 

This post is part of Mashable’s Spark of Genius series, which highlights a unique feature of startups. The series is made possible by Microsoft BizSpark. . If you would like to have your startup considered for inclusion, please see the details here... 

Do you ever stare off into the cosmos, wondering about all the matter and particles swirling about in the universe? Or gaze into the spiraling petals of a rose and contemplate the Golden Ratio and all it connotes? No? Well, take some time out from your... 

Geoff Livingston co-founded Zoetica to focus on cause-related work, and released an award-winning book on new media Now is Gone in 2007. Augmented reality promises a new level of interaction between people and data. Now, even the newest for-profit applications... 

Google has acquired Ångströ, a service for delivering intelligent search results about a person’s professional network. It has also hired its founder, likely in an effort to build a legitimate competitor to Facebook . “With the help of... 

We all know Chrome is fast, but can it also be social? We’ve already brought you a list of social media extensions for Google ’s Chrome browser, but here we set our sights on extensions designed specifically for Twitter . We’ve scoured... 

A new Google Maps -based web app has placemarks for major locations mentioned in hip hop lyrics, plus the inside story behind each place and the song that named it. It’s called “ The Rap Map ,” and its database is by far strongest in...