NetCoalition has published the letter they have written to the RIAA, regarding RIAAs proceeding against File Sharing Users. (we reported)
Internet providers were forced by the RIAA to give out users names, IP Adresses to force legal steps against filesharers. ISP's fear higher administration expenses, higher costs and customer decrease by the publication of user data to the RIAA. You can read the letter by clicking the above link.