You live, you learn -- or so Alanis and Sanjay Jha would have us believe. The Motorola CEO delivered a keynote speech early Tuesday morning at the Oppenheimer Annual Technology and Communications Conference, touching upon the company's recent past and the lessons its learned going forward. Referencing the Xoom launch, Jha told attendees to expect tablets in the second half of the year with "much more aggressive form factors" and unique enterprise features, adding that the company would be placing a renewed focus on cheaper, WiFi only tablets. The OEM also intends to streamline its global brandin