The protests that led to the Egyptian revolution last year were organized in part by an anonymous Facebook page administrator. When the police found out who he was, they arrested and interrogated him. After his release, Wael Ghonim became the public face of the Egyptian revolution.
American lawmakers are furious about a mounting diplomatic crisis in Egypt, where dozens of nongovernmental workers, including 19 Americans, could face trial.
The United States says Egypt needs to let pro-democracy groups continue their work to help the country's transition, but Egypt accuses them of operating illegally.
The work of democracy promotion groups has raised suspicions in many countries, but Lorne Craner, who runs the International Republican Institute, says he has never seen anything like what's going on now in Egypt.