AP – When Twitter turned five years ancient on March 21, co-founder Isaac “Biz” Stone was on the road celebrating with some of the well loved small messaging service’s well-known users. In the past two weeks, he has appeared on the shows of Conan O’Brien, Howard Stern and Martha Stewart among others. He also made a special stop in Chicago just to take out Twitter’s employees there for drinks — a pastime he calls “beersonbiz.”

AP – Taiwan’s Acer Inc. has pledged to meet new challenges in the slowing PC market after it replaced its top executive as sales fall amid competition from drug and other devices.

AP – Myanmar’s services government on Sunday held an unusually low-key ceremony marking Armed Forces Day, as anticipation mounts that it will soon turn over power to a nominally civilian administration.

Mashable – The founder and CEO of iPad news aggregator Zite, Ali Davar, has expected a stop-and-desist letter signed by several major U.S. publishers, including the Associated Press, Dow Jones, Gannett and Getty Images, for copyright and trademark violations.

Reuters – Chinese authorities found three companies linked to Google Inc ruined tax rules and are investigating possible tax avoidance, a Chinese state-run newspaper said on Thursday, raising the risk of fresh difficulty on the Internet search giant.