That was pretty much my thought; "how is this not going to be drowned in spam?" (they even have an API I think) Presumably they're fairly confident in their ab

That was pretty much my thought; "how is this not going to be drowned in spam?" (they even have an API I think) Presumably they're fairly confident in their ability to filter spam and to automatically rank such comments fairly low, but I can't help feeling that this will still be contingent on enough high-quality contributions, ie enough serious uptake. I suppose we'll see soon enough.