Ever notice when you do a search at Google for nfl or seo or ppc or other popular acronyms you see that Google will bold the longer version of the acronym? Yes, Google will not only bold the title and snippet for the words NFL, SEO or PPC but also for National Football League, Search Engine Optimization and Pay Per Click, amongst others.
Here are pictures:
This is not new, Google has been doing this for at least a year now. Yet, I thought I mention it again, since more threads on this topic of sprung up recently.
Forum discussion at WebmasterWorld and Search Engine Watch Forums.