James Turrell's light installations toy with your sense of space and dimension, and Yayoi Kusama makes your reflection part of the art when you step inside her mirror-clad, polka dot mannequin room.

BBC: From Warhol to Wright: An arty trip through Pennsylvania

There is already a debate about which camera formats will survive, with one respected blogger predicting that the DSLR will die, made obsolete by lighter cameras with interchangeable lenses but no mechanical mirror inside.

BBC: Cameras to capture a road trip

Despite its name, Clinique's Chubby Stick is taller and actually a little narrower than a traditional lipstick cylinder which helps women apply color inside the lip line without a mirror.

WSJ: Clinique Chubby Sticks Are Some New Products Promising Faster, More Precise Makeup