Maurizio Cattelan’s viral banana artwork - which consists of the yellow fruit duct-taped to a wall - was recently sold for US$6.2 million at an auction. This got us thinking - what makes something qualify as "art" especially in today's world? How is value placed on art, why do people collect it? For those of us not in the know, how do we get our start in the art collecting world? We speak to the experts, to find out.