Twitter users are fervently tweeting links to the new Mission Impossible 4: Ghost Protocol trailer.

"Mission Impossible trailer looks ace," comment microbloggers; "I saw a poster for Mission Impossible 4 the other day. I thought to myself: "It's not really impossible if he's already done it three times."

"Transformers," the number one topic on Twitter on the morning of June 29, is promoting the next in the Transformers movie series, Transformers: Dark of the Moon.

Tweeters are using the term to post micro reviews of the sci-fi action flick after watching its midnight debut at cinemas in the US.

Today's top hashtags "#honestlyhour," "#summerplans" and "#sorryimlatebut" are being used to share honest feelings and thoughts, plans for the summer, and excuses for being late, respectively.

English football coach "Sammy Lee" is rumored to be leaving Liverpool football club, but Twitterers post that they have "not been able to confirm the story."

Iconic sunglasses brand "Ray Bans" is in sixth place, a song by Tyga featuring Chris Brown called "Snapbacks Back" is in seventh place, and "FUAAAA" is in eighth place.

The top 10 most talked about topics on Twitter on June 29 at 7:30 AM GMT are:

  1. Transformers (promoted)
  2. #honestlyhour (new)
  3. #summerplans (new)
  4. #sorryimlatebut (new)
  5. Sammy Lee (new)
  6. Ray Bans (new)
  7. Snapbacks Back (new)
  8. FUAAAA (new)
  9. Mission Impossible (new)
  10. Ghost Protocol (new)