Network Effects

Preview

"Ray Tomlinson sits in a computer lab in 1971... about to send the first email. He types a message between two machines sitting three feet apart. Later, he can't remember what the message said. Probably something forgettable, he admits. Something like "QWERTYUIOP." But that throwaway test? It changed the fundamental economics of communication. Email had a property Tomlinson didn't fully understand yet. It got more valuable the more people used it. One person with email? Useless. Two people?..."