As an authenticated user, I can keep my polls and come back later to access them.
As an authenticated user, I can share my polls with my friends.
As an authenticated user, I can see the aggregate results of my polls.
As an authenticated user, I can delete polls that I decide I don't want anymore.
As an authenticated user, I can create a poll with any number of possible items.
As an unauthenticated or authenticated user, I can see and vote on everyone's polls.