The OFTA (Office of the Telecommunications Authority) have published a document on measures taken by mobile operators in Hong Kong to prevent mobile bill shock. What is mobile bill shock exactly? Say you've gone overseas with your HTC or iPhone and not knowing better, you use data roaming as if you were in Hong Kong. When you get home and notice that your bill total has 4 (or even 5) digits... well, that's mobile bill shock! … [Read more...]