What will really signal the top of the bubble? We all know that none of the exchanges will be accessible.

Again today I was reminded of this. But now I'm beginning to see what that fatal day is going to be like. (Hundreds of) thousands trying to get logged in so they can sell and nothing working. Today the action was mild but I ended up wasting an extra hour and losing some of my gains in the bargain. What to do to prepare for this?