Conversation so far:
How was Netflix started?
Originally, CEO Reed Hastings told several outlets said he got the idea for Netflix after Blockbuster charged him a $40 late fee for “Apollo 13.” ... When it arrived in one piece, they decided to start Netflix.
How did Netflix originally work?
Netflix was launched on April 14, 1998, as the world's first online DVD rental store, with only 30 employees and 925 titles available, which was almost the entire catalogue of DVDs in print at the time, through the pay-per-rent model with rates and due dates that were similar to its bricks-and-mortar rival, Blockbuster

Question: What is its relationship with Blockbuster
Self-contained rewrite: What is Netflix's relationship with Blockbuster?