The following line Environment.UserName In debug mode in visual studio returns the identity of the user like I need. Then when I set up my site in IIS and run the code the same line returns the...

The newest App Engine SDK (1.2.1) has an API call to compute an ID for a user account based on his email address. (The ID remains the same even if the user changes his address later.) See this ques...

Every time my app is updated from the App Store some small number of the users get a new identifierForVendor for some reason. My users don't sign up or login. They are all anonymous so I need to se...

I know that in the end it, can't be done. But, what are the options to:   a) limit the options for persons to create multiple accounts,   b) increase the chance of detecting multiple a...

So, one of the more confusing aspects I've been observing with Meteor is that Sessions get cleared every refresh. Since it isn't a persistent store, where would I put things like userid, or where p...