With hundreds of millions of tweets per day, it’s impossible to follow everything happening on Twitter. Every Friday, the Daily Dot rounds up notable Twitter news and stories from the past week—in 140 characters or fewer.

  • Twitter urged everyone to take a little break from tweeting to call their moms.
  • Twitter CEO Dick Costolo gave the commencement speech at University of Michigan.
  • E! was the latest high-profile entity to be compromised by the Syrian Electronic Army.
  • Researchers can now turn your brain waves into candy. Just kidding; they can turn them into tweets.
  • This year's Chelsea Flower Show has a garden controlled by tweets. No, we're not sure why either.
  • Keith Olbermann needs to brush up on his Arrested Development knowledge.
  • Many got angry with McDonalds after it pounced on the story of the man who helped save three kidnapped women while he was eating McDonalds.
  • Stephen Hawking came in for abuse after he boycotted a conference in Israel.
  • Twitter apparently led to a rise in the number of hate and terror forums on the Web.
  • The Ottawa Senators completely overlooked San Jose Sharks becoming the first team to win an NHL playoff series this year.

The week's notable new users: Your newbies this week are 90s British pop stars Louise Redknapp and Billie Piper (also of Doctor Who fame).

Photo of the week: There's really no contest. Robin Williams, poking fun at Kim Kardashian, is your photo of the week.