LinkedIn is joining the crowd of Internet services tying account security to mobile phones.
In a change announced Friday, the roughly 225 million users of LinkedIn Corp.'s online professional networking service can now choose to require a code to be sent to their phones whenever an attempt is made to log in to an account from a device for the first time.

Sony Corp. is taking a deeper dive into ultrahigh-definition video as it comes out Friday with "After Earth," the first of Sony's three movies this year both shot and presented in the emerging 4K digital format. At a screening for journalists, I got a close-up look at even the pores on Will Smith's face as details were rendered with greater clarity on the big screen.
Sony and other consumer electronics makers are betting that 4K images will become the new standard, prompting consumers to buy fancier TVs just as they did when high definition, or HD, rolled out over the past decade. It could also entice more people to buy movie tickets to see for themselves what the super-clear format is like.

A California man is facing vandalism charges after authorities say he painted a crosswalk on a street, allegedly telling officials it was needed.
Fifty-two-year-old Anthony Cardenas was arrested Thursday morning in the Northern California city of Vallejo and booked into jail on suspicion of felony vandalism.

China is looking forward to "even-tempered talks" on cybersecurity when a Chinese military delegation meets with U.S. Defense Secretary Chuck Hagel over the weekend, the Foreign Ministry said Friday, as Washington continues to press Beijing over the issue ahead of a summit next week.
Ministry spokesman Hong Lei repeated Beijing's hopes for longer-term cooperation over hacking threats that have increasingly dominated discussions over what many see as a bilateral relationship adrift. Cyberspying is expected to feature high on the agenda at the June 7-8 meeting at a California retreat between President Barack Obama and his Chinese counterpart, Xi Jinping.

With foreign reserves diminishing fast, Pakistan is on the brink of an economic crisis that may force its new government to ask for an unpopular bailout from the International Monetary Fund requiring a sweeping overhaul of the country's economy.
The troubles could inject a new element of instability into the nuclear-armed nation of 180 million people that Washington is relying on to combat Islamic militants at home and to help negotiate an end to the war in neighboring Afghanistan.

The descendants of African slaves donned masks and bright red costumes as they danced through the streets of this small Venezuelan town on Thursday for its annual commemoration of Corpus Cristi.
Young men beat drums and shook maracas as the "devils" paraded through the streets and people gathered to celebrate Corpus Cristi, a Roman Catholic holiday celebrating the transformation of the body and blood of Christ into bread and wine.

The invitation from Harvard University caught Oprah Winfrey at a low point. Her new TV network was struggling, branded a flop in the media, when Harvard President Drew Gilpin Faust called last year to ask Winfrey to address 2013 graduates.
The request came "in the very moment when I had stopped succeeding," Winfrey recalled.

Nicki Minaj is following Mariah Carey out the door on "American Idol."
The hip-hop diva announced Thursday on Twitter that it is "time to focus on the music."

Two years ago, Novak Djokovic entered the French Open on a 39-match winning streak dating to the previous December.
Last year, he came to Paris having won 21 consecutive matches at Grand Slam tournaments.

A brilliant third quarter by LeBron James and the Miami Heat turned the game around and lifted the hosts to a 90-79 win over the Indiana Pacers on Thursday, taking a 3-2 lead in the NBA Eastern Conference finals.
James scored 16 of his 30 points in the third, helping to turn a six-point deficit into a 14-point lead and put the Heat within one win of a third-straight trip to the NBA Finals.
