tracking

What is the best practice making an email tracking system?

Hi, I'm about to start on an an application where one of the features needed is a way for tracking emails reading status. I've been looking around the net and some of the apps out there uses remote images for tracking. So I was wandering what the best practice was here? Thanks for your help. Lars ...

How to track users across domains?

We got pitched this idea yesterday. A user visits our site and are marked. Then when they visit other sites like CNN they are targeted with adds for our site. So once they are exposed to us, they start to see us everywhere, creating the illusion we are bigger than we are. The person pitching it said it was done by cookies. I was very s...

Session Tracking Servlet

I have 2 applications(EARs) . In App1 I have a few jsps and at a point I want to save the details of a person I have a button which has a the javascript to save the details. But now I am asked to authenticate the user with another app App2. So I send a callback url from App1 so that once the user is successfully authenticated I can come ...