I noticed this during the episode as well while the characters discussed their iPhone app idea. If you watched the episode, there were actually some better shots of the whiteboard. The Big Bang Theory has always striven for accuracy. That's one of the things I've always liked about the show.
The Big Bang Theory prides itself on accurate science and tech. They have UCLA physics professor David Saltzberg credited as "Science Consultant" to contribute the geeky stuff.
I just watched the episode and was pretty impressed with the accuracy of their (iPhone) software development skits, including their dialogue (relative to other shows/movies). There was much more than what's shown in this image. Anyone have video?
Having started NeXTSTEP/Objective-C coding in the early 90s, and lived through the mid-90s near-death of the platform, I find it pretty remarkable that in 2011 a prime-time major network comedy had a whiteboard with "NSObject", etc, on it.
(In the late 80s, early 90s NeXT hardware turned up in some pop culture locations due to how it looked: Mono NeXTStations in the Madonna video for Rain I don't know how I remember that, and a Cube in the movie Flatliners. But source code is something else entirely. Granted, given the recent cultural phenomenon of the iPhone, it's not that weird. But from a longer-term perspective, it feels a little like we're through the looking glass.)
