This is one of the reasons that disrupting email is one of the most popular bad ventures. It's great 1980's tech. Email is a false vacuum in the field of soluti

This is one of the reasons that disrupting email is one of the most popular bad ventures. It's great 1980's tech. Email is a false vacuum in the field of solutions for communication, a local minimum. We can't improve on it any futher - every direction along the gradient of solutions is a worse solution. IM is doing a good job at locating a new local minimum right now.