The tech-fad industry.

Fortunately not the one I work in. No cloud, no social here. Just problems solved :)

The pre-IPO (over)valuation industry.

Mentioned in the next line: "whole social media thing".

The Department of Muppet-ology at Goldman Sachs...

How about the global economy with its overvalued IPO that's undoubtedly going to pull a Zynga.