I applied for an internship but went through a surprising interview process. I was first given a phone call, the recruiter went through my resume with me. We then scheduled a phone interview with a manager. After a few days I got on the phone with the manager who gave me several problems to solve on the phone. Those problems were mostly math and algorithms related. They were not that difficult but I was not expecting it. I was then given a programming assignment to complete within 48 hours. Even if I gave them calls and sent emails, so far they have never told me what they thought of my program.