Originally Posted by IBobi
Spoke with the developers a few moments ago.
The next version of FD will include a notification when the site is about to log you off, like banks do ("you have been inactive, do you wish to stay logged on?"). That's for the food logging part of the site.
For the forums, you will be able to stay logged in indefinitely.
Excellent news! Thanks Paul. Hopefully it will only prompt ONCE and then leave the person logged in for a few hours at least before prompting again. Prompting every 15 minutes won't be too cool either.