Twitter

Rihanna’s decision to follow former boyfriend Chris Brown on Twitter recently resulted in a minor brouhaha online among her fans (via eonline). Troubled by the young singer’s apparent interest in having even an Internet-based acquaintance with Brown, some fans voiced their opposition in 124 characters or less on Rihanna’s page.

We’ve all been deeply touched by the 8.9 magnitude earthquake that hit Japan last Friday. According to the Red Cross, Canadians have already raised over one million dollars as of Sunday, in support of one of the largest earthquakes ever recorded. Social media has played a huge role in the success of these relief efforts, with celebrities and organizations urging others to donate via Twitter.

Why some people are quitting the social-networking site

Today in the news: why the world isn’t getting enough sleep; teaching texting in schools; Canada Post warns of email virus; Joseph Gordon-Levitt goes bad for Batman; and the United States drops bombs on Libya.

The top 10 product releases of the year, according to Forbes; a ballerina fights back against the critic who called her fat; a revealing profile of Oprah and her future plans; why Twitter is for narcissists; and breast cancer is on the rise among pregnant women.