Google celebrated the 25th anniversary of its launch this week - and it's hard to envisage what life was like before. Few companies have become so integral to society that they become a verb, but the search giant remains the shorthand for looking something up online despite AI threatening the habit. Google has of course seen off plenty of would-be rivals before (any Ask Jeeves aficionados out there?) - it would be foolish to write off one of the world's best-known brands after all it's been through. Here are 25 moments that helped get Google to where it is today....