NEW YORK Summer is weeks away, but the fall book season has already started.

NEW YORK Facebook was supposed to soar. Instead, it plunged.

NEW YORK Facebook Inc. stock has dropped below the initial public stock offering price in premarket trading Monday, an inauspicious start to the company's first full week of trading after its market debut Friday suffered some hiccups.

NEW YORK Tens of thousands of ultra-Orthodox Jewish men attended a rally Sunday at the New York Mets' stadium on the dangers of the Internet and how to use modern technology in a religiously responsible way.

SAN FRANCISCO After years of mortifying missteps, Yahoo Inc. finally has something to boast about: a multibillion-dollar windfall from a savvy investment in China.

NEW YORK The CEO of the Nasdaq stock exchange says it is "humbly embarrassed" by its bungling of Facebook's hugely anticipated debut as a public company on Friday.

NEW YORK Yahoo Inc. may finally be nearing a deal to sell half of its prized stake in the major Chinese e-commerce provider Alibaba.

ISLAMABAD Pakistan blocked the social networking website Twitter for several hours because it refused to remove tweets considered offensive to Islam, said one of the country's top telecommunications officials.

SAN FRANCISCO For Facebook founder and CEO Mark Zuckerberg, it was quite a week - from birthday, to IPO, to I DO.

NEW YORK Authorities in China have approved Google Inc.'s bid to buy phone maker Motorola Mobility, clearing the way for the $12.5 billion deal to close early next week.

SAN FRANCISCO A watchful eye has arrived on San Francisco's bar scene, but not to keep you in check. It just wants to check you out.

NEW YORK The metaphor is an easy one, overused and perhaps even a bit overwrought. We are forging forward into a digital frontier, leaving convention behind, traveling without guides into an uncharted virtual land where progress and profits are forever around the next bend.

MENLO PARK, Calif. In Silicon Valley, where sudden wealth is hardly something new and CEOs favor hoodies over bespoke blazers, Facebook's IPO on Friday didn't bring everyday life to a halt.

Facebook is the hottest Internet company to hit the stock market since Google went public in 2004. The Silicon Valley companies, located seven miles apart, also happen to be locked in a bitter battle for Web surfers' allegiance and online advertisers' money. The duel is likely to intensify now that the IPO has given Facebook Inc.'s social network billions of dollars to battle Google Inc.'s dominant search engine.

Facebook raised $16 billion in its initial public offering Thursday, pricing its stock at $38 per share. Its public debut was the most anticipated tech IPO since Google went public in August 2004. After an anxiety-filled half-hour delay, shares began trading Friday on the Nasdaq Stock Market. They closed almost unchanged, at $38.23.

Key developments in the eight years since Facebook Inc.'s creation:

NEW YORK Facebook may have made social networking a worldwide cultural phenomenon, but it wasn't the first Internet company to connect people online. And it won't be the last. Here's a look at how social networking has evolved. Some companies have come and gone. Some are mere shells of their former selves. And others show promise, even as Facebook dominates the social Web.

NEW YORK The lukewarm response to Facebook Inc.'s initial public offering sent shares of other social-media companies tumbling Friday.

Facebook Inc. sold 180 million of its shares in its initial public stock offering. Another 241.2 million came from existing stockholders, including the company's earliest investors and CEO Mark Zuckerberg.

NEW YORK While Facebook's initial public offering Friday had all of Wall Street abuzz, its 900 million users had other things on their minds. They were busy sharing with the world their thoughts about the presidential election, Haitian Flag Day and the weekend.