The changes just keep on coming at Acer these days -- following a shakeup at the top and a new, friendlier logo, the company has now announced that longtime company exec Jim Wong will be stepping up to the role of Corporate President. What's more, he'll also be heading up Acer's brand new Touch Business Group, which combines the company's former tablet PC and smartphone teams, and promises to help Acer "make significant inroads" in the mobile device business -- or so it hopes, at least. E