[delineal]

Based on the movie, Zuckerberg didn't have the decency to inform the people he was working with that he'd moved on. The moment he stopped communicating with them, a red flag should have gone up and they should have parted ways and hired someone else. Both sides contributed to the end result. The Winkelvii should have been more closely involved with the execution of the project. They should have also formalized the relationship legally before allowing him to work on it.