<opinion>
Assuming this is optional (a tick box on the login page, so people using untrusted machines don't get their credentials cached), 3 months to infinite. I don't think it will be uncommon for some people to not use launchpad for several months at a stretch.
</opinion>
<opinion>
Assuming this is optional (a tick box on the login page, so people using untrusted machines don't get their credentials cached), 3 months to infinite. I don't think it will be uncommon for some people to not use launchpad for several months at a stretch.
</opinion>