It seems that Pandora and other Ad engines are obsessed with Groupon-like advertisements. I am concerned about Ad revenue all over the web if Groupon and Living

It seems that Pandora and other Ad engines are obsessed with Groupon-like advertisements. I am concerned about Ad revenue all over the web if Groupon and Living Social goes under. I hardly think that this type of advertising is healthy in the long-run. Then again, I do not think Group is concerned about the long-run