In reply to climbwhenready:
Noticed it last night on my Mac running Chrome. I could live with the arrows (although as others have said, they're not great UI - you should really leave page nav to the device these days IMHO), but a load of the advertising and text from the top right kept appearing over the content of the forum making it unreadable. Extremely annoying.
Works fine on my Windows machine, and with Opera on the Mac (I hate Safari, didn't try it).