Civil liberties advocates and many companies resolutely oppose the plan, saying it is unworkable, an infringement on individual privacy and destined to stunt the growth of electronic commerce.

BBC: UK Government dithers on encryption regulation

Nonetheless, the CDA does not cover claims of criminal conduct, electronic communications privacy and intellectual property infringement.

FORBES: What Is The CDA And How Can It Help You And Your Company Avoid Liability?

These violations include, but aren't limited to, a privacy issue with private Direct Messages longer than 140 characters, trademark infringement, and changing the content of users' Tweets in order to make money.

ENGADGET: Twitter suspends UberTwitter and Twidroyd for 'violating' its policies (update: apps are fixed, should be live soon)