Davis told CNN that what made Marshall's shots unique was that he always demanded total access to the rock stars.

CNN: STORY HIGHLIGHTS

After correctly answering a total of 62, 273 questions and leading for more than 24 hours, Rock was narrowly beaten by 2, 926 answers by a pupil called Tatiana D from Australia who overtook him with just three hours to go.

BBC: NEWS | UK | Scotland | Edinburgh, East and Fife | Pupil second in world maths test

Perhaps you should go all the way to a cheap index fund, like Vanguard Index Total Stock Market, which has both low expenses (0.2% annually) and rock-bottom turnover (3% ).

FORBES: The hidden cost of trading

In addition to previous options, the two new filters make a total of 12 different options to choose from: Pop, Pinhole, Fisheye, Sketch, Wedding, Rock, Watercolor, Crystal, Miniature, and Mirror.

ENGADGET: Olympus introduces Stylus SP-820UZ, SP-720UZ cameras and SZ-14 binocular bundle