[Amazonerh]

Out of all activities you listed, just 3rd party Cookie blocking and using any "login with Facebook" buttons would give the same result for Web. I don't think any of the activities you listed would prevent the data collected through apps though.

[ynniv]

If you have a domain, you can give every service it’s own email address, ${service}@${domain}. They can try reporting that to Facebook, but unless someone understands that the entire domain is one account they won’t be able to correlate them.