The first refers to the unrest in Egypt during the spring of 2011 while the second references a comment made by actor Charlie Sheen, following his sacking from a hit US comedy.
According to BBC the 2011 Top Hashtags are:
- #egypt
- #tigerblood
- #threewordstoliveby
- #idontunderstandwhy
- #japan
- #improudtosay
- #superbowl
- #jan25
And the Top 10 Tech Topics:
- Mac App Store
- Sony NGP
- Guitar Hero
- Mozilla Firefox
- Duke Nukem Forever
- iPad
- iPhone
- Nintendo 3DS
- Mortal Kombat
- iPod