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The day part of the Internet died: Egypt goes dark According to the internet media,its all about the latest news and updates,internet media provided real hot topic information,that news latest updates is, Almost simultaneously, the handful of companies that pipe the Internet into and out of Egypt went dark as protesters were gearing up for a fresh round of demonstrations calling for the end of President Hosni Mubarak's nearly 30-year rule, experts said.
Egypt has apparently done what many technologists thought was unthinkable for any country with a major Internet economy: It unplugged itself entirely from the Internet to try and silence dissent.
Experts say it's unlikely that what's happened in Egypt could happen in the United States because the U.S. has numerous Internet providers and ways of connecting to the Internet. Coordinating a simultaneous shutdown would be a massive undertaking.
"It can't happen here," said Jim Cowie, the chief technology officer and a co-founder of Renesys, a network security firm in Manchester, N.H., that studies Internet disruptions. "How many people would you have to call to shut down the U.S. Internet? Hundreds, thousands maybe? We have enough Internet here that we can have our own Internet. If you cut it off, that leads to a philosophical question: Who got cut off from the Internet, us or the rest of the world?"
In fact, there are few countries anywhere with all their central Internet connections in one place or so few places that they can be severed at the same time. But the idea of a single "kill switch" to turn the Internet on and off has seduced some American lawmakers, who have pushed for the power to shutter the Internet in a national emergency.
The Internet blackout in Egypt shows that a country with strong control over its Internet providers apparently can force all of them to pull their plugs at once, something that Cowie called "almost entirely unprecedented in Internet history."
The outage sets the stage for blowback from the international community and investors. It also sets a precedent for other countries grappling with paralyzing political protests — though censoring the Internet and tampering with traffic to quash protests is nothing new.
China has long restricted what its people can see online and received renewed scrutiny for the practice when Internet search leader Google Inc. proclaimed a year ago that it would stop censoring its search results in China.

 American shops enjoyed a dose of seasonal cheer as early indications suggested bumper sales on the busiest shopping day of the year – the so-called "Black Friday", which falls after the country's Thanksgiving holiday.

Customers queued before dawn in many cities to snap up cut-price flatscreen TVs, laptops, hooded sweatshirts, smartphones and other popular items. Retailers reported larger crowds than last year, raising hopes that the number of people out shopping could exceed the National Retail Federation's forecast of 138 million.

Traditionally, the day after Thanksgiving marks the point when US shops go into profit, or into the black, for the calendar year. Some major stores, including cut-price chains Kohl's and JCPenney, opened their doors as early as 3am.

Instant figures from IBM Coremetrics, which gathers data from retail websites, suggested that online sales were up by 5% by mid-afternoon on Friday. And the analysis firm reported that web sales on Thursday's US public holiday leapt by 33%. Jerry Storch, chief executive of Toys R Us, which opened some shops at 10pm on Thursday to trade all night, said his chain was "off to a strong start". The boss of Macy's department stores, Terry Lundgren, said people were shopping for personal indulgences, rather than merely buying early Christmas presents: "Here is Black Friday, the kickoff of the holiday gift-giving season, and shoppers were shopping for themselves."

The world's biggest economy is still struggling to fight its way out of an economic rut: unemployment is stuck at 9.6% but consumer confidence has edged slightly higher in recent months.
Read More: Bumper Black Friday in prospect as America goes to the sales