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- A new book, "Character Limit," reveals how Elon Musk sought advice on Twitter Blue from his friends.
- While mulling over a price point for Twitter Blue, he approached David Sacks, among others.
- Musk eventually decided to price Twitter Blue at $8 monthly.
Elon Musk approached a small circle of friends and acquaintances with little to no experience running a social media company to decide the optimal price of Twitter Blue before he landed on $8 a month — an amount he believed people usually paid for a cup of Starbucks, according to an upcoming book written by New York Times reporters Kate Conger and Ryan Mac.