[qchris]

Do they? I mean, most of these vendors are already competing, and unlike Firefox, they're not necessarily competing for the average Joe, but technical users who often have different priorities.

Those are also services that groups are used to paying for already, which means if they could eat the start-up costs, even at a reduced scale, they could make a profit at even a slight premium for things that they already do very well, and go from there.