I have to admit that I'm not a big fan of April Fools Day. "Jokes" that basically involve just lying to someone or crude practical jokes make me cringe, but the Guardian newspaper does have a reputation to keep up and this year's joke was quite a good one.
Twitter switch for Guardian, after 188 years of ink
I particularly like:
A mammoth project is also under way to rewrite the whole of the newspaper's archive, stretching back to 1821, in the form of tweets. Major stories already completed include "1832 Reform Act gives voting rights to one in five adult males yay!!!"; "OMG Hitler invades Poland, allies declare war see tinyurl.com/b5x6e for more"; and "JFK assassin8d @ Dallas, def. heard second gunshot from grassy knoll WTF?"