If you're a guy and you've ever had trouble getting a date and turned to the internet for help, you've probably run across some of the materials and sites available from some of the Pickup Artist (PUA) gurus out there. There's a plethora of them, from the Mystery Method, David Deangelos's Double Your Dating (or Eben Pagan's DYD, I'm not sure what his name really is) to Real Social Dynamics, The Art of Charm, and literally dozens more. The one thing they all have in common is they want to sell you something, and it ain't cheap.
I'll give them credit, they do offer some interesting advice on social skills, but there's one big lie, or a huge sin of omission, that they don't tell you. Quite simply, you don't really need their help in many cases, and in some cases their instruction is absolutely worthless.