Protesters
Google and Twitter team up to build a voice-to-tweet system to allow Egyptians to tweet despite the closure of Internet and mobile phone systems.
Sources: Fortune
Sources: Fortune
Egyptian President Hosni Mubarak refuses to resign in an address to the nation.
Internet access is partially restored in Egypt after a five-day blackout.
Tens of thousands of people protest against the government in Egypt on a "day of revolt".
Google claims that its Chinese Internet search and mobile search is blocked.