It seems to me that the solution to all the woes of this bill is to just not allow any content to be shared. That basically eliminates this being a problem for 95% of all companies.
And it covers Stack Overflow.
And Mumsnet.
And basically any site that takes user generated content of any kind.
Prevent people being able to communicate except through a handful of controlled middle men who can spy on or block content the government dislikes. The end goal is complete control of the communication of its citizens.