Unique ID for each chrome user?
86839
Getting unique ClientID from chrome extension?
108278
How do I switch my user agent in Chrome?
17742
Encouraging users to create an account (and keep it)
140456
Why is the ##UserID## parameter not populated in Data Explorer anymore?
80331
Automated way to verify user identity
112976
Multiple form ID's in HTML5's input form attribute
45067
How unique is UUID?
157380
How can I create automatically expiring user accounts?
102115
How safe is our user identity?
95024
Creating your own Tinyurl style uid
148899
Is there an option to create and Opt-in a user in the same API call?
1263
How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)
22939
Is there a unique Android device ID?
48736
How can I find out if the current user is in a specific group?
31718
Generating a globally unique identifier in Java
27461
What are valid values for the id attribute in HTML?
126497
Automatically add id attributes to headers to enable link targeting