The Indonesian song " Keong Racun" is the most talked about topic on Twitter on the morning of July 29.

Twitter users are going crazy over a YouTube video of two teenage girls (going by the names of Sinta and Jojo) lip syncing to " Keong Racun."

The memes "#onetimefor," "#don'tcoutonit" and "#predictingkanyetweets" are in second, fourth and sixth places respectively.

" Inception," a recently released science fiction movie staring Leonardo DiCaprio is stuck in the charts in third place.

Twitter users are helping to spread a new trailer for the forthcoming " Thor" film across the internet. The American film is based on the comic book series of the same name and is scheduled to be released in May 2011.

Military-themed video game Starcraft II: Wings of Liberty ("Starcraft") has moved down two places overnight to number seven while the abbreviation for clear ("CLR") is back in the charts in ninth place.

Cricket player Suresh Raina became the 12th Indian to score a Test century on debut. "Raina" is trending in eighth place.

Amazon, maker of Kindle brand of e-readers announced the launch of a new, slimmer and cheaper WiFi-only e-reader and updated its best selling Kindle 2 this morning.

Microbloggers are discussing if the new devices will be enough to entice consumers, saying, "I still rate the Kindle as too expensive for a limited device," while others comment "New Kindle is tempting," and "New Kindle Slims Are Everything iPad Isn't: The new versions seem designed to be what the iPad isn't-very slim, light, easy to hold."

The top 10 most talked about topics on Twitter on July 29 at 9:30 AM GMT are:

1. Keong Racun (new)
2. #onetimefor (new)
3. Inception (unchanged)
4. #dontcountonit (new)
5. Thor (new)
6. #predictingkanyetweets (new)
7. Starcraft (-2)
8. Raina (new)
9. CLR (re-entry)
10. Kindle (new)