Popular blog BoingBoing have reported on esellerate trying to sneak worthless and unwanted extras into their shopping cart. Some of the commenters on the post seem to think this could be an honest programming mistake. Given that esellerate’s parent Digital River is widely known and reviled for dubious upsells, I doubt it. Any vendor that chooses to use a Digital River subsidiary for their ecommerce has only themself to blame if Digital River does the same to their customers. Have you checked your shopping cart recently?