Thousands of demonstrators took to the streets of Egypt's major cities on Friday, prompting the government to deploy the army to keep the peace for the first time since unrest began Tuesday. Protesters are demanding an end to President Hosni Mubarak's 30-year-rule. Here are the latest developments as confirmed by CNN.

Foreign Secretary William Hague expressed concern at the violence surrounding today’s protests, calling for all involved to refrain from violence.

The turmoil in Egypt and Tunisia provides a stark illustration of how the digital revolution can empower individuals on a grand scale — but some members of the world's elite at Davos say it also can stifle diplomacy and give radicals the loudest voice.

There has been much argument about what technologies and international factors played a role in Tunisia's revolution. We covered Facebook's role, which I would summarize as significant but not determinative.

The top U.S. diplomat for the Arab world gave Washington's firm endorsement of the uprising that ousted Tunisia's longtime ruler, even as a crisis over the North African country's transitional government continued to simmer.

During the street demonstrations in Tunis, amidst the signs demanding “Ben Ali Out” were placards saying “Thank you, Al Jazeera.” The Qatar-based pan-Arab television network has never been allowed to open a bureau in Tunisia – a prescient if ultimately unsuccessful tactic by Zine el-Abidine Ben Ali’s government...

During the street demonstrations in Tunis, amidst the signs demanding “Ben Ali Out” were placards saying “Thank you, Al Jazeera.”

The African country that has the highest percentage of people with Facebook accounts is Tunisia, at 18%. That's triple the penetration of the social-media service in repressive Egypt.