you left out the transactions part which is in the same sentence as the ads part. i would imagine, if this fable were true, that dentistry.com would make maybe

you left out the transactions part which is in the same sentence as the ads part. i would imagine, if this fable were true, that dentistry.com would make maybe 20-30% of its revenue from ads and 70-80% from transactions. that's about the ratio at Etsy. ads drive transactions so it's a good model for everyone.