[borski]

Linkception. You can take that link and throw it in Google, and so on... At some point, maybe you'll hit a limit? Sounds like a fun test to run... ;)

[carey]

You’ll start running into browser limits at somewhere from 2048 to 2083 characters: http://support.microsoft.com/kb/208427

[hakaaak]

Depends on the browser. Mobile browser URL limits used to be much shorter.