I'm in Singapore and when I read this I realised that it's been a long time since I received an SMS spam message. It must be at least 2 years. And even then the

I'm in Singapore and when I read this I realised that it's been a long time since I received an SMS spam message. It must be at least 2 years. And even then they were quite rare (one ever few months maybe?). I wonder what different telcos does differently, because I have heard about some countries where you're getting flooder by these things.