Britpop, Girl Power, Mr Blobby, gastropubs, Netscape, champagne supernovas, no frills, Ross and Rachel, cyber cafés, Blair, Cool Britannia, bling, Tamagotchis, Pretty Good Privacy, Maastricht, Clinton, rain on your wedding day, doing the Macarena, Gazza, AOL, Sensation and the end of history. Think the 1990s were frivolous? Think again.