And as Mozilla positions its upcoming mid-range devices towards markets such as Latin America and Asia, the ability to provide carrier billing will help address the many unbanked users which don't have credit cards.
Unlike Twitter, where messages are usually public, and Facebook – whose privacy settings are not used properly by many users and which for technical reasons is easier for authorities to access at a later date – BBMs are private to recipients and encrypted during transmission, a fact of which many rioters were aware.
Unfortunately, there are many user interfaces which routinely use vague language and functionality in order to trick users into taking certain actions.
There are many user reviews which are blatantly positive or overtly negative.
"Currently, WhatsApp can change terms and conditions at any time, without notifying users, which many people who use this service aren't aware of.
The tightened supply of pain pills, and physical changes that made them harder to crush and snort for a quick high, have diverted many users to heroin, which is much cheaper and easier to get.
When the state drops the censorship, many users drop TOR – which slows down your internet connection – and then everything they do is visible to the agents of the state who might kidnap, torture and kill them for looking at the wrong parts of the internet.
To begin with, each of Japan's own social networking sites, though no longer growing at the breakneck pace of the past few years, has at least 10 times as many users as Facebook, which was introduced in Japanese in mid-2008.
The product has sold out across the world - attracting $40m in investment in the process - but has been fraught with seriously reliability problems as many users reported malfunctions which left the device dead.
