Earlier quoted context omitted.
You can replace Google/Amazon/Facebook in seconds. You can not change your cable provider in a large number of areas, and even many of the ones that you can, you only have 2 choices between Comcast/Verizon/ATT/Centurylink. And, miraculously, as soon as a competitor arrives, you see prices drop and speeds increase. It happened in just about every area Google fiber rolled out to. Comcast also charge $10 for an extra 50…
> You can replace Google/Amazon/Facebook in seconds. This is largely false: look at market share of all their competitors — network effects are really hard to replace.
Facebook is harder to replace, but people thought Myspace would be around forever for the same reasons.