from money.cnn.com: Marissa Mayer took the stage at the Consumer Electronics Show Tuesday not to revisit the last year spent at Yahoo, but to look at the future. Joined by the likes of Katie Couric, David Pogue, David Karp, Nick D’Aloiso and SNL’s Weekend Update team, Mayer and company rolled out Yahoo (YHOO, Fortune 500)’s plans for the year, which include new apps, new sites, new acquisitions and improvements to existing products.