Be aware that Discmakers are not doing this as a public service. Their objective is to add contacts to their marketing database. Don't forget to un-check the "ok to spam me" option, and hope that your wishes will be honored by all the other businesses they sell your name to.
Yes, I am a bit of a cynic when it comes to such things. Yes, I am aware that the company is widely regarded as being on the level. But my overflowing mailboxes, both physical and virtual, are testament to the reality that is the basis of my cynicism.
Still...it might be informative, and I already get junk mail from them, so what the heck...
All else is in doubt, so this is the truth I cling to. My Stuff