following and inbox because this choice felt like the most logical among the choices presented. However, inbox feels like a chore and not fun.
If I could edit it, I would change the inbox to @ like eatzi indicated as wellreplied to a while ago:
I answered
created a poll:What should the first two tabs on the homepage say?"for you" & "to me" (status quo)13%"for you" & "to you"13%"for me" & "to me"0%"following" & "inbox"47%some other combination27%