i got a text saying i won a $200 voucher and needed to call a number.  they also said you can text STOP to stop getting the texts.  i texted STOP and got one the next day.  

i just called the number and asked to be removed from their list.  i don't know if doing so caused more harm than good.

Received a text - LIKE THE OTHERS - THEN CHECK YOUR PHONE BILLS FOR YOU MIGHT BE GETTING CHARGED FOR PREMIUM TEXTING..   $10.00 A MONTH  - FOR SOLICITING A JOKE !!