I really don’t know whether Webaroo is useful or not; and, to be honest, it’s not their fault that I suddenly decided this was the last straw. But I’d have to make flash cards and study them for days before I could distinguish between Asoboo, Cluckoo, Gumshoo, Orangoo, Picaboo, Polloo,…
Plainly, the human fetus presents a practically unlimited number of utilitarian scenarios.