Sage is running a competition to bag yourself a billboard i.e. free advertising in the heart of London's Tech City (also known as Shoreditch).
Their website says "Record and upload your 60-second video pitch telling us why your small business should win this amazing opportunity. The prize also includes 1 million online ad impressions".
This is a perfect opportunity for all you start-ups out there. You need to put a 60 second video together and people vote for you. Simples. But there's not much time, so hurry!
More details here.