Last activity

i just wondered why (and on what criteria) the last activity field doesn't appear on some users profile.

http://pics.imagup.com/04/1254536612_zz.png

http://pics.imagup.com/04/1254536668_zz2.jpg


thanks.

If a user opts to hide their online status, nobody can see their last activity stats either.

ok, that's what i was assuming.

thanks.