U2's phenomenal 360° Tour, which saw a huge four legged 'Claw' structure tower over its audience at stadiums across the globe, made its members their millions in 2009.
However, the recession-fuelled cutbacks meant TV stars Fern Britton, Nigella Lawson and Carol Vorderman found themselves off the list.
U2's achievement is impressive, but it wasn't enough to topple the front runner
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.