WHAT DOES BLUE COPYRIGHT FOR SALE MEAN?

Walter: "We are not likely to need pseudoephedrine. We're going to make phenylacetone within a tube furnace, then We'll use reductive amination to produce methamphetamine. 4 lbs .."This seriously alarmed law enforcement, since it reintroduced and popularized meth in the public eye, which consequently designed a completely new group of naive persons