Try cleaning your browser cache and Flash local storage - most likely you've been browsing a lot of anti-sopa content (not completely unrelated ;) - http://imgs.xkcd.com/comics/geoip.png )
The best anti-sopa ad I've seen this morning (12h ago) when following a link to Forbes and there was an overlay ad covering the whole browser window in dark gray (marked as Advertisement in the title but no further text, only gray) - either Forbes did this themselves or somebody is spending some money to get the message around to Average Joe.
The best anti-sopa ad I've seen this morning (12h ago) when following a link to Forbes and there was an overlay ad covering the whole browser window in dark gray (marked as Advertisement in the title but no further text, only gray) - either Forbes did this themselves or somebody is spending some money to get the message around to Average Joe.