Can Apple's iPod (Nasdaq: AAPL) go corporate and take a bite out of Research In Motion's (Nasdaq: RIMM) BlackBerry? What does the merger waiting game mean for shareholders in XM(Nasdaq: XMSR) and Sirius(Nasdaq: SIRI)? What can investors learn from Berkshire Hathaway(NYSE: BRK-B) Chairman Warren Buffett's purchase of PetroChina(NYSE: PTR)? And will a Chinese pork producer produce big returns for investors? In this installment of "Fool Video," Fool contributor Tim Beyers gives his take on Apple's new business, and online managing editor LouAnn DiCosmo talks about some stories on the Fool radar.