Plus, 37.55 percent of the tweets were part of a conversation.

Then we arrive at the less productive stuff. Pear found that 3.75 percent of the tweets were spam, and although that isnt bad, a full 40.55 qualified as pointless babble.But Twitter supporters can hinge an argument on at least one point. Towards the end of its report, Pear Analytics chose to promote Philtro, a sort of Twitter filter that its testing. So you might not be out of line to raise questions about ulterior motives.