The headline made me think they were rolling out a feature like OKCupid's "visitors," but this actually gives Facebook stalkers another vector to annoy and hara

The headline made me think they were rolling out a feature like OKCupid's "visitors," but this actually gives Facebook stalkers another vector to annoy and harass their targets with. "Hello" is basically a new way to poke people, including people you're not friends with. So just the opposite of "riskier."