These devices are not necessarily substitutes to the PC, but complementary. You can't find a Palm Pilot user who doesn't have a PC,
You see, all these devices are basically complementary to the PC,
No matter what happens, the more small devices there are, the more large ones there will be, too, ... All these devices, no matter how large or small they are, go to a server when they get online, which is why we're so focused on servers.