Originally Posted by JPDM

My girlfriend and most of her friends in China made the switch to Line. Nearly the same as WC but faster and more features. The look and feel is nearly the same. But with the block, all are back on WC now.
I think that blocking Line is not just related to Japan. China doesn't want to be dependant on foreign IT products and, in my opinion, often will block popular products to allow a Chinese substitute to develop. Obviously, the other thing is also that they can control the Chinese product.