Scraping is one of the most annoying things that bloggers have to deal with. It can hurt their search engine ranking, cause confusion among readers and cause them to unwittingly help spammers line their pockets.
Nobody likes being scraped but it seems that some sites are able to survive it relatively unscathed while others are bumped clean out of the search engines, almost instantly replaced by the spammers that take their content.
So how do you ensure that the damage caused by scrapers are kept to an absolute minimum? There is no secret formula, but there are a few tricks that seem to work very well.