Cross-Domain Cookies

Question

I have two webapps WebApp1 and WebApp2 in two different domains.

1. I am setting a cookie in WebApp1 in the HttpResponse.
2. How to read the same cookie fro

Answer 1

There's a decent overview of how Facebook does it here on nfriedly.com

There's also Browser Fingerprinting, which is not the same as a cookie, but serves a like purpose in that it helps you identify a user with a fair degree of certainty. There's a post here on Stack Overflow that references upon one method of fingerprinting