Share button madness: Real-time search startup Topsy launches one of its own

Real-time search startup Topsy launched its own variation on the retweet button today to compete with Tweetmeme’s leading version. It’s important because the retweet button was one of the distinguishing features that allowed Tweetmeme to break out from the pack of real-time search startups that launched earlier this year. It gave the... (Read more)