Interesting article that references GaAs, Moore's Law and economic growth drivers. Note our friend from Google is quoted. To make his quote reality it will require POET (fiber network to fiber computer)
http://www.bretswanson.com/wp-content/uploads/2015/04/EE-Tech-Research-Moores-Law-at-50-04.14.15a.pdf
“When the network becomes as fast as the processor,” Eric Schmidt said in the early 1990s, nearly a decade before joining Google, “the computer hollows out and spreads across the network.”47 Or, as Schmidt’s then-employer Sun Microsystems stated in its motto, “The Network Is the Computer.”