Forget NSA, how do Target, a motel, & whoever find my e-addy I didn't provide them?

[UTUSN]

5. Amazon, for me, would be the strongest possibility (besides my giant/free internet provider)

Despite the part that anybody I've done business with sells the e-addy, the puzzle for me is that the Target recent transaction was totally anonymous, no name on it via cash. Although, did they send the e-mail to every single body who has IN THE PAST used a debit card with them? I can see that the motel did, at least, have my name, but without other bits like a middle initial or other conclusive information (after strikeout, well the motel DID have the debit card). There are scads of people with my first and last names.

The randomness of these businesses suddenly accessing me ...