Microsoft (Nasdaq: MSFT) is launching a cash-back program for its Live.com search engine. Will the move pay off for Microsoft, or will Google (Nasdaq: GOOG) continue its search dominance? Netflix (Nasdaq: NFLX) is teaming up with Web radio specialist Roku to develop a set-top box. How will it play with investors? And how will it fare against offerings from Apple (Nasdaq: AAPL), Amazon.com (Nasdaq: AMZN), Blockbuster (NYSE: BBI), and TiVo (Nasdaq: TIVO)? In this installment of "Fool Video," senior analyst Rick Munarriz gives his take on Microsoft's latest search and Online Managing Editor LouAnn DiCosmo talks about some other stories on the Fool radar.