Senh: That opens up a lot of privacy issues and could easily be abused.
Senh: In terms of analysis, the article is similar to what I wrote. Mainly, Facebook, Twitter, and Yahoo Buzz got into link sharing and pretty much pushed Digg aside. Digg execs attributed the lost in traffic to Google's new algorithm which resulted in less referral traffic to Digg. The article also has an in-depth write-up of its history.