Twitter ramps up advertising in people's timelines http://ping.fm/tkiQh

Supercomputer could predict major world events
http://ping.fm/HmB2h

File-sharing site, BitTorrent, hit by hackers
http://ping.fm/n2vcZ

Inside Japan's nuclear ghost zone
http://ping.fm/BEFfd

Microsoft unveils its new Windows 8 operating system
http://ping.fm/2duo8

Windows 8: A first look at new features for business users (a photo story) http://ping.fm/ZA4XS

GlobalSign web certificate authority back online after breach by hacker http://ping.fm/PGGNz