netmeg - 2:17 pm on Aug 1, 2011 (gmt 0)
I don't know Groupon's situation because I've never seen their site or their landing page. But I have been running campaigns for lead generation or to get catalog signups or email subscribers with no problem. Of course, these are being run on well established sites with tons of content (although it's not on the landing page) and so far nobody's dinged me. Maybe it's coming, but I haven't had a problem yet.