Thousands of Twitter users logged on to the Twitter website today to discover that they had become, as if by magic, suddenly included in the ever-widening Project Retweet beta, which is Twitter's attempt to build retweets into the native architecture of Twitter. As with previous features like Lists, users who logged into Twitter via the Twitter.com website saw a message appearing above their timeline, explaining that they had been included in the beta. Additionally, users who actually had a new Project Retweet retweet in their timeline saw an additional box explaining why that tweet...
