I got the Best Buy message.  I looked up http://redeem7.com on whois and it shows the name was first registered Jan 8 and gives the location as Hong Kong.  The contact info is in Los Angeles 661-310-2107.

I have received scam texts from thi snumber very annoying

Unsolictied text for shopping spree offer.

1000 dollar walmart spree scam

I got this today but it said 1000 best buy holiday overstock shopping spree http:/redeem7.com then some other numbers.  More scam spam crap.  Was a text message