Is Silicon Valley Funding the Wrong Stuff?

[Commentary] Social networks that allow you to send only the message "Yo" to your contacts. Food-delivery services valued at $400 million. Startups that deliver rolls of quarters to your home (just $27 for $20 in change!). It isn't hard, looking at a lineup like this, to conclude that Silicon Valley has jumped the shark. The entire Bay Area appears to have given up on solving anything but its own problems: those afflicting the same 20-somethings who are building these startups. That's a pretty cynical take on what's going on in technology. And what about Google or Facebook or Uber, all of which have transformed or probably will transform entire industries?