I've been yelling about this for years.

In every single case, if you are not paying for a service, be aware you'll eventually get screwed.

In every single case, if you put too many eggs in one basket -- one computer, one hard drive, one vendor -- you'll eventually get screwed.

Google has made it very very very easy to get deeply enmeshed with their ecosystem of "free" offerings, and those offerings can become very very important to people. That's a TRAP.