THE quest to develop the internet’s next big thing can be full of unexpected twists and turns. PayPal, the online payments service, started as a way of transmitting payments securely between Palm Pilots. Its founders realised that there was an even bigger opportunity in online payments — and went on to sell the company to eBay for $1,5bn. Flickr, the photo website, grew out of a multiplayer online game being developed by its founders. Game Neverending never saw the light of day, but Flickr went on to be acquired by Yahoo, sparking a wave of interest in “Web 2.0â€