Alban Street Festival returns this summer after three years away hertfordshiremercury.co.uk - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hertfordshiremercury.co.uk Daily Mail and Mail on Sunday newspapers.
April Fools' Day may be over, but that doesn't mean the pranks will be gone too. Here are some of the posts from the tech industry that inspired more than just a giggle.