YouTube founders buy social media tracker

The founders of YouTube on Monday announced they bought a startup that specializes in tracking what campaigns at Twitter or Facebook are doing for companies' bottom lines.

Ranking research

A new approach to evaluating research papers exploits social bookmarking tools to extract relevance. Details are reported in the latest issue of the International Journal of Internet Technology and Secured Transactions.

Build your online networks using social annotations

Researchers at Toshiba are working on a way of finding clusters of like-minded bloggers and others online using "social annotations". Social annotations are the tags and keywords, the comments and feedback that users, both ...