The webmaster wrote:
I've switched from replacing links to attaching window.open events and Google started to crawl & include full-size versions.
Have you noticed this as well? Is this new? If so, when did it start happening?
And if this is new, it is important to note for your own sites and pages.
Forum discussion at WebmasterWorld.
Update: Google's Pierre Far commented on my Google+ post saying "this is what we talked about back in May." Adding: