. >> narrator: mohamed adel had been to serbia to learn the techniques. >> ...an extraordinary act of daring in the country of tunisia... >> ...president ben ali has stepped down... >> narrator: then tunisia broke. and as protesters there overthrew their government, maher and the april 6 activists saw their chance. >> this was their moment. and they saw it happen. and they jumped online, they jumped on sms, they jumped on twitter. and they had each other accessible-- 30,000, 40,000, 50,000 people right away in this forum. >> narrator: they set a date-- a public holiday, january 25-- and issued a call for action. >> asmaa mahfouz, a young activist with the april 6th movement, decided to film a v- blog to encourage egyptians to join protests on january 25, police day. >> narrator: the video went viral. the morning of the 25th, maher and april 6 waited to see if anyone would show up. >> they have no idea if three people are going to turn up, or 300, or 3,000. they're just doing their best to be heard and to be convincing in cyberspace. and so they really don't know what's going to happen