Sam Altman tracked how quickly people responded to his texts and emails to distinguish between 'great and mediocre founders'

• Sam Altman tracked how quickly Y Combinator founders responded to his daily emails and texts.
• He considers quick response times "one of the most striking differences between great and mediocre founders."
• The anecdote was detailed in a New York Magazine profile of the OpenAI CEO, published Monday.

Take note, those of you who receive messages from Sam Altman — he might be tracking how quickly you respond to him.