Mail prize?

Well i got a thing in the mail saying i could win $500,000.00. I have never had anything to do with The Reader`s Digest Association. So how did they know my name and my address? Has anyone else got this in the mail? And could i win that it would be sweet we need that for the kids. Anyways Danielle is nuts today i think her teeth are really bugging her. Paitin stayed at my moms list night it was nice to not wake up to all her talking. But i didn't get any more sleep Danielle wanted to sleep with us all night. I cant what till the summer i hope it will be a good summer.