Apple on Tuesday unveiled two new versions of the iPhone, boosting the screen size of the iconic smartphone to 4.7 and 5.5 inches.

Unveiling the iPhone 6 and iPhone 6 Plus, Apple chief Tim Cook said the company was launching "the biggest advancement in the history of iPhones."

Turkey has moved to impose stricter controls on the Internet by giving its telecoms authority more powers to monitor online users and block websites, a parliamentary source said on Tuesday.

The proposals are contained in a bill submitted to parliament by the ruling Justice and Development Party (AKP) and are the latest in a string of government moves testing online freedoms in the aspiring EU member state.

U.S. Internet giant Google must come up with "new solutions" to meet complaints from competitors about its proposed anti-trust settlement with Brussels, EU Competition Commissioner Joaquin Almunia has said.

Twitter is testing a way to let users go shopping or make charitable contributions between tweets.

A small percentage of users will receive tweets from Twitter test partners Monday featuring a "buy" button that lets them make purchases or donate money.

Recent hacks exposing nude photographs of Jennifer Lawrence and other celebrities are prompting calls for people to fortify their online accounts with a second layer of security.

Thieves broke into the celebrity accounts at online storage services such as Apple's iCloud. Although Apple's systems weren't compromised, the hackers were able to figure out passwords and answers to personal security questions, according to the company.

Apple pulls back the curtain Tuesday on its latest innovations, amid frenzied anticipation over new big-screen iPhones and possibly an "iWatch" which could shake up the world of wearable computing.

Streaming television titan Netflix will be among websites displaying a dreaded spinning wheel icon Wednesday to rally support for blocking Internet "fast lanes."

U.S. electric car maker Tesla is developing technology that could see vehicles run on "full auto pilot" in as little as five or six years, according to its chief executive Elon Musk.

It is a marketing strategy that few experts would recommend and even fewer companies can pull off.

But the less Apple says about its eagerly anticipated event on Tuesday at a performing arts center in Silicon Valley, the more frenzied the speculation becomes.

Motorola rolled out a circular smartwatch Friday, counting on a more traditional design to win over consumers who have so far shunned other computerized wrist devices.

Smartwatches so far have had rectangular faces, a shape that has turned off many consumers, said Steve Sinclair, Motorola's vice president of product management. Motorola's Moto 360 is round and has an all-metal frame, making it look more like a regular watch.