I certainly got more delta-value out of pre-web Internet (email, Usenet, chat) and Web 1.0 (online papers and libraries, nearly-free publishing) than Web 2.0 onwards (Facebook, etc). Maybe it's not accelerating constantly.
Even just the widespread use of SMS has helped medical teams assess and treat diseases in remote areas.
When people complain about some lack of technological advancements, it sounds to me like they're just not aware of what we have accomplished. And I am not surprised that Thiel is in this category. He has a JD, not a PhD
People that say that have no idea how hard it is to make a network large. The complexity of expanding connectivity is our modern feat.
but 'everyone can communicate with anyone' also meant everyone has access to FB, snapchat, worthless videos, and so on for distraction :(
Without our smartphones, spending hours tinkering would be how most people ended up spending their time. It sets one up much more so for a maker mindset over a consumer mindset.
We may not be on the cusp of a singularity, but that's nothing to be ashamed of.
We should be proud we haven't seen a major world war in 70 years.