Originally Posted By: hybrid8
I still don't get it. Why pay for something that's already built into the OS? Is it for the ease of the client (being able to visit the web site and simply download a piece of software)?

YES! I assure you, it's essential that the process be as painless as technically possible for the remote user. Being able to say "go to this site" or "click on the link I just emailed you" and have all the rest done for them automatically is essential. Otherwise you're in for an extremely painful process.
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Matt