Several news outlets today are covering entrepreneur Steve Perlman’s DIDO technology, which claims to support “impossible” levels of capacity over wireless networks. It’s heady stuff. The descriptions promise 10 to 1000-fold gains by delivering individually formed beams to each device, in contrast to current sharing mechanisms that suffer from interference. For me, what’s important is how this illustrates the point that I learned from innovators like David Reed, Tim Shepherd, ...