Google and Apple have clashed a number of times in recent months, and a Taiwanese hardware manufacturer is poised to ensure that the two companies butt heads yet again. Asus has indicated that it will challenge the iPad with a tablet PC powered by either Android or Chrome OS. Elizabeth Woyke talked to Asus chairman Jonney Shih and reported afterward, "Shih said one Asus tablet will likely run Google software, such as the upcoming open-source operating system, Chrome,