Even though there is an internet blackout imposed by the Egyptian government, the digital information is still flowing out from protesters in Egypt.
Google and Twitter launch this service to circumvent internet service provider completely. Users leave a phone message which is then posted as an audio file on Twitter. However, users can only use this service for a while until the Egyptian Government completely cutoff all telephone line.
As reported HERE, there are other ways being used to get the news information from the troubled areas.