Lawyers for Apple and Samsung debated the differences between copying and honest competition as opening arguments were held Tuesday in a huge patent trial involving the two tech giants.

Harold McElhinny, a lawyer for Apple in the blockbuster patent trial under way in San Jose, California, told the jury Samsung began copying the U.S. firm as soon as the iPhone was publicly unveiled in January 2007.

Chinese communications giant Huawei Technologies on Wednesday responded to U.S. hackers' claims that its routers were easily cracked, saying its security strategies was rigorous.

The annual Def Con hackers' convention in Las Vegas on the weekend was shown how to slip into networks through some Huawei routers, which Recurity Labs chief Felix "FX" Lindner described as a "gift" to the hacker community.

Revenues from China's online dating market are forecast to top two billion yuan ($315 million) in 2014 as work-stressed Chinese struggle to find partners, a new report said Tuesday.

Tens of millions of single Chinese people now use match-making websites to find partners or meet new friends, said the report from Analysis International, which forecasts the market will hit 2.02 billion yuan by 2014 -- double its value last year.

An Austrian group fighting for clearer privacy policies on Facebook complained Monday that the Irish Data Protection Commissioner (DPC) was keeping it in the dark about proceedings.

"We have no access to the files against Facebook in Ireland," student Max Schrems, who launched the initiative Europe-versus-Facebook, told journalists.

Over 500 million people are on micro-blogging site Twitter and Americans and Brazilians are the most connected, according to a study by social media monitor Semiocast released Monday.

Twitter surpassed the half-billion mark at the end of June, with the United States accounting for both the most users and largest number of "tweets" or short messages of no more than 140 characters posted on the site.

Taiwan's National Cheng Kung University has filed a suit against U.S. tech giant Apple, claiming the company's Siri intelligent assistant has infringed on two of its patents.

Apple introduced the voice-activated assistant technology when launching the iPhone 4S in 2011.

Long before Google online mapping service cars snatched data from private wireless hotspots there was the Wall of Sheep.

The Wall, created by Aires Security, has long been a mainstay of the infamous Def Con gathering of hackers that ended Sunday in Las Vegas.

Crime fighters have long used brains and brawn, but now a new kind of technology known as "predictive policing" promises to make them more efficient.

A growing number of law enforcement agencies, in the U.S. and elsewhere, have been adopting software tools with predictive analytics, based on algorithms that aim to predict crimes before they happen.

Hackers at an infamous Def Con gathering on Sunday were shown how to easily slip into computer networks through some routers made by Chinese electronics colossus Huawei Technologies.

"For the 20th anniversary of Def Con the gift is China," Recurity Labs chief Felix "FX" Lindner said as he opened his presentation.

A custom mobile phone network came to life in the middle of Def Con as hackers showed off their technology skills in tribute to the infamous gathering's elite "ninjas."

A Def Con team bought a telecom company van and configured a "Ninja Tel" cellular phone network to pay homage to longtime hackers who have kept the spirit of the event alive and, admittedly, just to do something "over the top."