Software pioneer Bill Gates always wanted a PC on every desk in the world, but we aren’t quite sure he envisioned it happening like this. In much the same way as the cellphone industry took off in the 1990s with the advent of the “free-on-contract” phone, a Linux bigwig is suggesting that PCs are the next to follow in those footsteps. Linux Foundation Executive Director Jim Zemlin, in a recent presentation at the O’Reilly OSCON (Open Source Convention), told onlookers that a trend would emerge in which consumers