I'm going to comment on the actual effectiveness of each weapon versus a zombie, just for the lulz.
A Stapler - The staples themselves are useless, however the stapler can be used as a very effective bludgeoning weapon. So assuming the zombie can't outmanuever you (that'd be sad if it could), then you can easily beat it down. You can also throw the stapler at their weak point for massive damage... yea I said it.
A Spoon - Depending on size of the spoon it can be used quite effectively. Spoons actually make very handy gouging implements, despite some people's beliefs, it is in fact very easy to draw blood by stabbing someone with a spoon. That being said, against a zombie it won't do much unless you have the strength to sever its head with a spoon (the spoon will break before you achieve this, so I hope you have multiple spoons).
A Bible - Pray to god, he'll save you. seriously though, god won't help you, because technically Jesus is a zombie, so that makes zombies god's friends by extension. As a bludgeoning weapon, it can be minorly effective, however don't expect to kill a zombie unless you go completely medieval on it
Triple A Batteries - Actually fairly useful, not as an actaul weapon, but using them to power something that can be used as a weapon. However if that's not possible, then you can break them, store the battery acid in a plastic container, and throw it at the zombies... though that won't do anything.
CD's - Yea... unless they're made of steel you aren't going to do much. The most you can do is throw them and give the zombies annoying lacerations, which don't do anything to zombies.
Posting About it on Twitter - The only 100% useless thing on here, and it's also what I voted for, because unless the local zombie patrol checks your tweets, no one is coming to save you. Also most people on Twitter are already zombies, so you're screwed (har har, twitter users are zombies, I'm so witty).
Pillows - If we're talking about a normal pillow filled with feathers, useless, however if we have the kind of pillow that I'd use, then infintely awesome, and useful. Rip out the insides, and fill it with heavy objects, and proceed to go on a zombie whacking spree.
Tomato Sauce - If your zombies love tomato sauce, then throw this on one of their buddies and watch them chow on eachother. However, if you zombies actually make sense then the best you could do is either hit them with the can, or super heat the sauce so it burn them severely... however they're zombies so I don't think burns will do anything.
So that's my opinion on that, for those that don't want to read it (I know I wouldn't), here's the tl;dr version, I voted for Twitter being the most useless, and pillow cases are more useful than you think.