Round 1: Behavioral LP questions only (5-6 of them) + my questions to them - ended 20min early
Break - 1hr
Round 2: Behavioral LP questions (2-3) + System Design Problem (design front page service for amazon returning top widgets for each user)
Round 3: Talked about tech background + Behavioral LP questions (2) + 1 Technical Problem (subtraction of 2 numbers using linked list w/ billions of nodes (similar to https://leetcode.com/problems/add-two-numbers/)

No round 4, as it was they couldn't get a 4th person yet so it's not scheduled.

Location: Santa Monica, CA