This is off topic but: After clicking the link to the article, I hit the back button back to HN and a Chrome popup display "Click Install V8 to get back to thi

This is off topic but: After clicking the link to the article, I hit the back button back to HN and a Chrome popup display "Click Install V8 to get back to this site easily" or something of that nature. It was definitely a chrome popup triggered by leaving the site, since the popup was on top of the bookmarks toolbar. Anyone notice that happening as of the latest chrome release? I've seen this a few times, and it always catches me off guard.