Twitter index: Heinrich Rudolf Hertz Google Doodle, Ash Wednesday

Twitter users are telling their friends to check out the latest Google Doodle on Google Search. The Doodle features an animated sound wave to celebrate the life of noted scientist “Heinrich Rudolf Hertz.”

Religious microbloggers are observing the first day of Lent on Ash Wednesday and are encouraging their fellow social media users to fast, refrain from eating meat and repent for their transgressions.“

"Ashes on forehead symbolize we came from dust we will return to dust,” explained one Twitterer to those asking about a common Ash Wednesday ritual.  

Others are asking, “Do priests take design requests on Ash Wednesday? Like, could I get a Harry Potter lightning bolt ash design?”

Australian Foreign Minister Kevin Rudd announced his resignation during an official visit in Washington DC, USA, report microbloggers.

President George W. Bush used to be a cheerleader, say bemused Tweeps retweeting a little known fact posted by Twitter user @UberFacts.

Indonesian Twitterers are trying to score themselves a free VIP ticket to British singer Jessica Ellen Cornish's concert in Jakarta by tweeting answers to “#JessieQuiz1.”

Tweeps are reliving their childhood with the hashtags “#BackWhenIWasAKid” and “#GrewUpFast.” “ParticipeDaRRO RebeldeRecordOficial” is in seventh place and the name of Mexican sports commentator “Enrique Garay” is in eighth place.

The top 10 most talked about topics on Twitter on February 22 at 7:30 AM GMT are:

1. President George W. Bush (new)
2. #BackWhenIWasAKid (new)
3. #JessieQuiz1 (new)
4. #GrewUpFast (new)
5. Jessica Ellen Cornish (new)
6. Ash Wednesday (new)
7. ParticipeDaRRO RebeldeRecordOficial (new)
8. Enrique Garay (new)
9. Heinrich Rudolf Hertz (new)
10. Foreign Minister (new)