I just applied to a Job on Careers, and while reviewing the pdf Resume that was sent to them I noticed some bad rendering or perhaps Kerning going on:
SOCareers Html Site:
You can see the problem inbetween "CSS" and "as", and again between "CoffeeScript" and "and". It might have something to do with the bold/emphasis tags too.
I am running on OSX 10.8 and viewing in Preview.