Seems like Whatsapp is now the network platform to broadcast their business. Have received this today:

<ADV> Looking for 30 contestants to join weight loss contest in Singapore! Stand a chance to win: 1st : S$
1000, 2nd : S$500 and 3rd : S$300.
Lose weight healthily and have fun
Register @ www.mwscentre2u.com (Please send to your friends who needs to lose weight) Thanks!
Reply 'U' to unsub
Sent via my BlackBerry