It's not very bent now, but at only 5.5", any curve will make it feel much shorter.
(via Cachy's Blog)

Hahahahahahahahahahahahahahahahahahahahaha. ha. haha. ha. Heh. Anyway. Did you just buy a new iPhone 6 Plus? You can do a lot with those things, like program it to scream if you drop it, but I hope you weren't planning on putting it in a pocket. I know lots of people have made jokes about how hard it is to fit the Plus in a pocket, but let's get real for a second: it will bend.

Sources: Cachy's blog | MacRumors | MacBidouille