From PRI, Public Radio International and KCRW Santa Monica, this is To the Point.

Egypt, the Internet and political change.

Hello again, I'm Orman Alney, and this is To the Point from Public Radio International.

A daily look at the issues Americans care about most.

Another enormous

crowd turned out in Tohre Square today celebrating the Google Executive, who says he created a

crucial Facebook page last June. It was dedicated to a victim of police brutality and encouraged

internet users to share their anger. Now it's credited with starting the protests we see today.

But is the internet necessarily

an instrument of democracy? Can it also be used by authoritarian regimes to enforce the status quo?

We'll hear more about its role in Egypt, how it's used in Iran and China. How is it regulated in the

U.S.? Should the government have a kill switch just in case? On a Porter's notebook later on, Sudden Acceleration and Toyota, first here's the news.

Support for To the Point comes from subscribers of KCRW Santa Monica and from the Public Radio

International Program Fund, whose contributors include the Ford Foundation and the John D.

and Catherine T. MacArthur Foundation.

Hello again, Warren Alney, back with To the Point. Tahrir Square filled with protesters again today.

We'll look at the role of the Internet and the ongoing challenge to Egypt's President Hosni Mubarak.

On reporter's notebook, NASA has completed its study of Toyotas recalled for sudden acceleration.

We'll hear the conclusions.

First, this news update,

the government of Egypt has promised reforms, but protesters are still saying that Mubarak has to go.

Today's crowd in Cairo is described by some as one of the biggest so far. Matt Bradley is there

...