TWITTER co-founder Evan Williams told a gathering of the technology faithful on Monday that notorious censorship firewalls in countries such as China will give way to online innovations. 'The Internet is a tidal wave that is going to be impossible for anyone to keep out,' Mr Williams said during an on-stage chat at the South By South West Interactive gathering here. 'In places like China it is hard to say how long those firewalls will be able to hold up,' he said. Beijing tightly controls online content in a vast system of censorship often called the 'Great Firewall of China', removing information ...