Egypt struck a match that started a fire that has spread throughout much of North Africa and the Middle East. In truth, there are some broad common strands: each country has a young population with a significant, well-educated segment and many people looking for work. In Libya, news reports say security forces fired shots to disperse a crowd gathered in Benghazi. Bahrain, thousands of opposition protesters moved back into Pearl Square in the capital, Manama. In Yemen, at least one protester was reported killed
Protests have also taken place in Iran, Djibouti, and Algeria. Hosni Mubarak's departure from power earlier this month after three decades of rule showed that the power of social media sites.