Thailand plans to revise the registration process for prepaid mobile phone users, saying it has been loosely controlled and free SIM cards were being distributed widely without user registration. Information and Communications Technology Minister Sitthichai Pookaiyaudom expressed concern that some operators are distributing free prepaid SIM cards without registering user names as required. The cards can be activated immediately without registration. He said that prepaid SIM cards were tightly controlled during the previous government to prevent them from being used by southern insurgents to detonate bombs. But it was relaxed since the final months of last year. Read more.