Technology Top Stories from Associated Press (AP)

NEW YORK (AP) , AT and T says it will start taking pre-orders for the Samsung Galaxy S 4, the season's most eagerly awaited smartphone, on April 16 for $250. The amount is $50 above the usual introductory price for high-end smartphones.

TOKYO (AP) , Panasonic's president said Thursday the company will persist with trying to fix its money-losing TV business, characterizing an exit from the fiercely competitive industry as a "final resort." Panasonic also said Fumio Ohtsubo will step down as chairman in June ahead of schedule to take responsibility for the company's string of dismal financial results.

WASHINGTON (AP) , Republicans are moving aggressively to repair their technological shortcomings from the 2012 election, opening a new tech race to counter a glaring weakness against President Barack Obama.

SAN FRANCISCO (AP) , "Journey" arrived on top at the Game Developers Choice Awards. The artsy video game developed by thatgamecompany swept the 13th annual ceremony Wednesday with six wins, including game of the year and the innovation award. "Journey" was also honored for best audio, game design, visual arts and as best downloadable game.

Cyberwarfare is the hot topic in military and intelligence circles at the Pentagon amid unrelenting cyberattacks from China, Russia, Iran and elsewhere. But for the super-secret National Security Agency, cyberwarfare is nothing new.

TOKYO (AP) , Concrete rubble litters streets lined with shuttered shops and dark windows. A collapsed roof juts from the ground. A ship sits stranded on a stretch of dirt flattened when the tsunami roared across the coastline. There isn't a person in sight.

NEW YORK (AP) , Bud Light said it with beer cans and Martha Stewart with red velvet cake as companies and celebrities from Beyonce to George Takei joined millions of social media users in posting and tweaking a simple red logo in support of gay marriage.

LONDON (AP) , A record-breaking cyberattack targeting an anti-spam watchdog group has sent ripples of disruption coursing across the Web, experts said Wednesday. Spamhaus, a site responsible for...

NEW YORK (AP) , Pivot is the name of a TV channel aimed at 15-to-34-year-olds who want to change the world. In the process, they could help Pivot change the television business. Announced last December, the new venture was officially unveiled Wednesday at a news conference disclosing program and distribution details as well as its name and August 1 sign-on date.

WASHINGTON (AP) , The Supreme Court on Wednesday turned away a class action lawsuit against cable provider Comcast Corp., in a decision that could make it harder to file those types of lawsuits in federal court.

SAN FRANCISCO (AP) , A research firm expects Twitter's ad revenue to double this year as the online messaging service delivers more marketing pitches aimed at consumers using smartphones and tablet computers. In a report issued Wednesday, eMarketer projected that Twitter's worldwide ad revenue will climb from an estimated $288 million last year to $583 million this year.

NEW YORK (AP) , Netflix's newest original series will be science-fiction from the duo behind the "The Matrix" trilogy. Netflix announced Wednesday that it will stream "Sense8" late next year for subscribers. The series is the first foray into television for Andy and Lana Wachowski, the filmmaking siblings who directed "The Matrix" and last year's "Cloud Atlas."

SAN FRANCISCO (AP) , Electronic Arts is ramping up the drama with its next "Battlefield" game. The publisher unveiled gameplay footage from the first-person shooter sequel "Battlefield 4" during a Tuesday event coinciding with the 27th annual Game Developers Conference in San Francisco.

LOS ANGELES (AP) , Broadcaster CBS Corp. is buying a 50 percent stake in TV Guide's pay TV channel and website for nearly $100 million, according to a person familiar with the matter. The price is less than the $123 million that JPMorgan Chase's One Equity Partners paid for a 49 percent stake four years ago. It brings CBS Corp.

SANTA CLARA, Calif. (AP) , The city of Santa Clara flipped on a big Internet switch this week, becoming what it says is the first in the country to use wireless, digital "smart meters" on homes as channels for free citywide outdoor Wi-Fi.