Met them at a career fair, was asked to describe hash map. Was invited to an on-campus interview the next day. Questions on binary search and finding the LCA in a tree. Interviewer was very helpful with the last one. Got email with "homework" assignment in 2 weeks or so. The homework is described here on Glassdoor at some for an intern position I believe. The whole point was to see how you would treat unexpected user input (it was about sorting, but you're allowed to use the sort from the library). Passed that and got invited to an on-site interview a week or so later. Interviewed a month later (on my request). They flew me to Boston and put me in a nice hotel. I had interviews with 4 people (it is my understanding that there were supposed to be 5, but the last one didn't make it, though I may be wrong). Questions were basic. I thought I did well (very well on 3 of them, well enough on the other). Didn't get the job :( Still hoping for some feedback on that (they sort of promised that, but I just got a standard rejection).