1) Google employee applies to Facebook on their own.
2) Facebook employee tells a Facebook recruiter, who the best Google engineers are based on his experience at Google.
3) Facebook hires a popular and charismatic Google manager, and their first assignment is to bring over the best engineers in the group.
What terms do you use to describe these situations? I am happy to adopt a more PC term, but there is a difference between being "hired" and being "poached". When you are hired, you do a shit load of interviews, when you are poached, you get a bunch more money and don't have to do a bunch of interviews.