Groove

Thanks for listening to my argument

And of course e-books work on exactly the same principle

As promised here are some adult classfieds links. I found the following with 15 minutes of searching. They are dedicated adult classifieds pages or mainstream classifieds sites which list adult ads. With a more thorough search you could no doubt find many more. Many of the free mainstream classifieds sites are also littered with adult spam.

http://www.sell.com/c/18/mature-audiences/
http://www.stuff.com.au/categories.a...uff1&uid=guest
http://www.rame.net/classifieds/
http://classifieds.ynotmasters.com/
http://www.bidorbuy.co.za/
http://www.ozads.com.au/
http://texasadults.com/
http://newtimes.rway.com/adult.shtml
http://www.girl-directory.com/
http://www.adultclassifieds.co.nz/
http://www.saucypanties.com/main.htm
http://www.threedworld.com.au/myworl...assifieds.html
http://www.sell.com/c/18/mature-audiences/
http://www.eye.net/classifieds/adult/
http://www.weeklydig.com/adult/
http://www.newtimes-slo.com/classif/adult.html
http://www.locknkeep.com/LocknKeep/M...classified.asp
http://www.pinkboard.com.au/cgi/RClassifieds
http://classifieds.metroactive.com/c...ass-adult.html
http://www.gaytoz.com/shopmall.asp
http://www.urbanights.com/Classifieds/classifieds.html
http://www.drsusanblock.com/ads.htm
http://www.usedbrasandpanties.com/
http://marketplace.adultchamber.com/
http://cracker.com.au/
http://www.sexyjobs.com/
http://smutwork.com/

And here's a couple of complimentary idea:

Discount memberships for friends of existing paysite members.
Private label browsers with pre-loaded bookmark list.
Spamming bookmark sharing sites.