Of course it's not possible to 100% block ALL scrapers, much like the debate surrounding obfusticating javascript. The point is to increase the cost of develop

Of course it's not possible to 100% block ALL scrapers, much like the debate surrounding obfusticating javascript. The point is to increase the cost of developing a scraper to a maxima where ROI begins to rapidly deteriorate. I'm trying to identify techniques and methods which will: - identify real users apart from bot users - increase the costs for the bot