The technology was developed by SayNow, which allows people to dictate tweets in voice on their phones. Recently Google has purchased SayNow and the current situation in the Middle East has given the technology a great deal of exposure.
SayNow engineers, has released a service for tweeting without an Internet connection.
Designed specifically for those on the ground unable to communicate via the Internet with the outside world, Speak to Tweet allows anyone with a voice connection to dial three international numbers and have their voice messages sent out as tweets with the hash tag added to those links.
Phone numbers for Speak to Tweet are:
Also if Twitter or Google are being blocked the two companies have been racing to release proxy services faster than the governments can censor them. A proxy IP is a long number you can type in to your browser and get access to a web site. The idea of using proxies is that the governments in the regime don't have time to keep track of all the proxies. Presently we have identified 2 proxy servers that are working for Google and twitter.
Internet access available in Libya via IP proxies: