Popover ad survey on SD tonight
side bottom - Kerydin toenail fungus
top ad - Hearing aid center "Get your hearing checked today! Call us Today for more Information."
Blank ad at bottom of page
I'm assuming the blank one at the bottom of the page was the one that was injected with the popover, but in any case, looks like your ad network is not so nice again, with the ad redirects and popovers.