Unsolicited text message from this number.  Message said:

"Hello, Your a Big winner of our free cruise for 2, contact us at: 888-991-6409"


800notes complaints for 888-991-6409
http://800notes.com/Phone.aspx/1-888-991-6409

Yesterday, my carrier blocked an Unknown number, and it left me a blank voicemail.  Maybe related?