It was a pleasure to read about a programmer contributing to Free Software and supporting other users. This is the very reason that I switched to Linux. Keep articles like that one coming. LJ is quickly becoming my favorite magazine. No, it's not.
Correct table is printed below.
The API obviously always has allowed for up to microsecond resolution, but that's not relevant for actual implementations. One microsecond resolution is far from sufficient for modern CPUs. Of course, the converse is also true. What I'm saying is that both techniques have their place for the time being. I don't know.