History is replete with examples of tech firms that were marginalized by new companies and technologies.

There's still upside in tech but it's going to be more grudging and grinding and choppy, it's not going to be this moon shot that we saw a year ago.

Most of Google's home technologies have failed to catch on in a major way.

Four years after the bubble popped, I can't believe that companies still legitimately have enough fat that they can cut heads and that it would not affect them going forward,

Google's founders have had a good eye for imagining what technologies will be significant in the near future. No one asked Google to develop self-driving cars, but it helped them with street views for Google Maps.

In New York, the former lack of real competition allowed taxis to extract excessive charges, regardless of the poor service.