Megastar Amitabh Bachchan is surprised that despite being 71, he is is still talked about a lot.

The actor, who will turn 72 Oct 11, is trending on Twitter.

"WOW !! #AB72Wishes trending at the top ... !! Never thought at this age there would be any interest in me.. thank you so much all," he tweeted Wednesday.

On his birthday, the active user of social networking media will send a personal video message and digitally signed posters to a few lucky fans Saturday.