For the sixth consecutive day, the name of the action comedy film " Scott Pilgrim" is the most talked about topic on Twitter.

" Inception" and " Expendables" have also become regular fixtures in the chart and on August 20 they are trending in fifth and sixth positions respectively.

The memes "#whybeinarelationshipif" and "#whatmadeyouthink" are currently in second and third place while "#happy18thbdaydemi," a hashtag used to wish American actress Demi Lovato a happy 18th birthday, is sitting in fourth place.

On August 19 Intel announced a deal that would see the computer component manufacturer purchase computer security company McAfee for $7.68 billion. The news has sent "McAfee" into seventh place on Twitter's trending topic list.

In ninth place is the term "Facebook Places." Social networking site Facebook revealed its new location-based check-in service on August 19 and people on Twitter can't stop talking about it.

"Foursquare Experiences Record Signups After Launch of Facebook Places" tweeted @mashable, while others such as @wired tweeted links to articles that would help people keep their private information protected: "Not into telling the world (and Zuckerberg) where you are? @howtowired has steps on disabling Facebook Places" and "Facebook rolls out the biggest privacy hole of all - Places - and turns it on by default. Here's how to turn it off:"

American rapper Kayne West posted a remix of a song from his forthcoming album on his blog,, on August 20. Since sharing the news, "Power Remix" has moved into eighth place.

"GMTV," (aka ITV Breakfast Limited) the name of a breakfast TV show in the UK, is trending in tenth place after a taped interview with Justin Bieber aired.

The top 10 most talked about topics on Twitter on August 20 at 9:30 AM GMT are:

1. Scott Pilgrim (unchanged)
2. #whybeinarelationshipif (new)
3. #whatmadeyouthink (new)
4. #happy18thbdaydemi (new)
5. Inception (+4)
6. Expendables (+1)
7. McAfee (new)
8. Power Remix (new)
9. Facebook Places (new)
10. GMTV (new)