I put in $11 on Sunday at a very slow time. I saw the $11 top up shortly after in real time on the @jonathanscard Twitter feed. It was the only tweet for about 10 minutes when my $11 was mostly used up.

My proof! http://twitpic.com/62shre

Then someone contacted me via Twitter to say that they used my credits: https://twitter.com/#!/PinoyxJay/status/100455783979954176

Believe what you want.