So, HP is extending "Touchstone" to mean more than "that heavy, slanted magnet thing that my Pre always slips off of." For starters, the TouchPad has a Touchstone charging dock -- it's not magnetic, but at least you don't have to worry about plugging the thing in, and it's particularly suited to working with a keyboard. But that's not the real magic. HP has enabled its three new webOS devices (The TouchPad, Veer, and Pre 3) to communicate over Touchstone. You simply place your phone on top
