Twitter traffic hits near-record 6,049 tweets per second as news of Jobs' death spread
Site goes down Thursday night for West Coast users
Colleagues, friends and competitors share memories
The Internet lights up with news and tributes to the Apple co-founder
Reuters report speculates that Microsoft is studying whether to make a new move to acquire one-time Internet pioneer
Investment house says Google is 'weakening' in face of strong competition
Users take to Twitter to vent their frustrations about the downed site
Microsoft battles graymail with five new automated features for Hotmail
After opening membership to all, visits to Google+ skyrocket
Working to regain past online glory, Yahoo beefs up news offerings
