Where are Clegg and Cameron?
Twitter's take on the leaders' absence from the BBC TV debateTwitter

You've probably heard of Where's Wally. Well the Twittersphere exploded on the night of the BBC TV debate between the non-government party leaders with a set of memes under the hashtag #WhereAreCleggAndCameron

Here are a few of the Tweets.

Then there was Harry Cole asking #wheresdave