Obvi­ous is the lat­est com­pa­ny to offer its own blog­ging plat­form. Medi­um is designed to allow peo­ple to choose the lev­el of con­tri­bu­tion they pre­fer and is sub­stan­tial­ly visu­al. Obvi­ous Corp still has much to prove fol­low­ing the launch of Medi­um, a very visu­al web pub­lish­ing platform.