So there you are on the moon, reading The World in 2008 on disposable digital paper and waiting for the videophone to ring. But no rush, because you’re going to live for ever—and if you don’t, there’s a backed-up copy of your brain for downloading to your clone.

The goal of forecasting is not to predict the future but to tell you what you need to know to take meaningful action in the present.

A survey of internet leaders, activists, and analysts shows that a majority agree with predictions that by 2020: