Stateless pages in 1.2.x

Stateless pages were introduced in a basic form in 1.2 for the first time. Stateless here means the page isn't even stored in the session. A page is marked stateless if it doesn't have any call backs to itself (Links, Forms, etc). So for 1.2, if you implement all your functionality using bookmarkable pages and passing 'state' using RequestParameters objects, you'll have hardly any session usage (note hardly, as for 1.2 a session object is still created for every client).

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