Each week Ross Rubin contributes Switched On, a column about consumer technology.
Compare this to the strategy employed by RIM, makers of the upcoming BlackBerry PlayBook tablet. One year after the iPad's debut, Apple's head start in apps has proven a formidable advantage against the onslaught of slates announced by its competitors in the smartphone world. Some have chosen to latch onto Android and attain backwards compatibility with over 200,000 existing smartphone apps. HP, with its TouchPad as flagship, will circle its wagons of PCs, printers and phones around the webOS platform. However, the announcement this week that RIM's BlackBerry PlayBook will support Android apps says much about how the company sees its position in the tablet wars.