Yiren Lu wrote a long piece in the New York Times Magazine about the contrast between the young engineers in Silicon Valley today and those of yesteryear. She’s a good writer; the article has a breezy tone and interesting anecdotes, I enjoyed it. However her thesis is not a ray of sunshine. Lu says the bright young minds flocking to the valley today seek jobs writing “sexting apps”. They shun the legendary Silicon Valley companies which make networking hardware or computer chips in favo...