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I can't replicate it, but I wouldn't assume it's a glitch. Google is taking a lot more liberties with titles and snippets lately, and that's going to continue. It looks like they're going to remove display URLs (or rewrite them to paths) on mobile, and that may go to desktop, too. In some cases, this can be a sign that Google thinks the title tag is either (a) a poor match to the query, or (b) too long or too spammy. If you're seeing title tags being rewritten frequently, you may want to revisit them in the context of that query. You can't 100% stop Google from rewriting, but there are ways not to encourage it.

Thanks Kate! I didn't know that about the Facebook relationship. I'm seeing some improvement, and it looks like it's due to changes like the ones you're mentioning. It's like Bing/Yahoo are just a couple years behind and are still using factors Google has moved past or doesn't pay as much attention to.

that sounds DELIGHTFUL. haha I'd like to give that a try....or maybe test it on one of the interns