I can definitely see clicking on things in email - after all I have already prescreened your company/product and found it to be interesting/worthwhile. As for

I can definitely see clicking on things in email - after all I have already prescreened your company/product and found it to be interesting/worthwhile. As for ads, maybe it is just that marketers generally have to advertise crap (because good things tend to sell themselves?) and so I rarely if ever see ads for things worth purchasing?