Right, so I'll just come right out and say this:
What the flying fuck?
I already get a TON of recruiterspam (much of it hilariously inaccurate, like offering me a relocation bonus to move to the city I was living in).
Based on their "How do you find engineers" answer
> We scour the web, and use multiple different sources of public data to find candidates. Next we put all that information through a variety of different algorithms to try and separate the wheat from the chaff.