There's no shortage of different ways to capture and share photos with the iPhone. One thing the camera cannot do is snap a light field photo. These images, pioneered by Lytro, can be refocused after they are recorded. Now with FocusTwist this capability can be simulated on the iPhone.

The app creates refocusable images by snapping several photos in a row, using different focus settings for each one. After they are combined by FocusTwist, you can share a link to the resulting image on Twitter. People viewing your work can then focus on different parts of the scene, much like the result of using a Lytro camera.

Wireless carrier AT&T is making progress on its goal to deliver 4G LTE service to over 300 million people by the end of 2014. The latest announcement brings the total number of markets with 4G LTE availability to 190 nationwide. LTE service has been expanded in Denver, Colorado, Louisville, Kentucky, Mount Vernon, Washington and Oxford, Mississippi.

For customers in six other cites, LTE has been switched on. These include Flint, Michigan, Kokomo, Indiana, Morgantown, West Virginia, Petersburg, Virginia, Shelbyville, Kentucky and Springfield Missouri. AT&T continues to be the second largest wireless carrier in the US, six years after it first launched the iPhone in an exclusive agreement with Apple.

The official Iron Man 3 game for iOS devices is now available for the iPhone and iPad. Unfortunately the game is an endless runner, but it does feature some pretty amazing graphics (check out the trailer below) and notable Iron Man villains like Crimson Dynamo, Living Laser, and M.O.D.O.K.. You can also research and develop up to 18 Iron Man suits, and upgrade your armors and powers in the Stark Industries research lab... Plus it's free!

The game has been released about two-weeks before Iron Man 3 the movie hits theaters on May 3, 2013. The film follows Tony Stark and James Rhodes as they battle a terrorist called the Mandarin. Iron Man 3 is directed by Shane Black (Kiss Kiss Bang Bang), and stars Robert Downey Jr., Ben Kingsley and Don Cheadle.

Apple announced today that the Worldwide Developers Conference will be held June 10 through June 14 in San Francisco. Tickets for the annual five-day conference will cost $1,599, and go on sale April 25 at 10 a.m. PT. Developers who can't afford or make it to WWDC will be able to watch videos of the event during the conference.

Last year's WWDC sold out in less than two hours, and event videos were only made available weeks after the conference had ended. Apple announced the decision to post the videos during the event on the WWDC general info page.

"Can’t make it to WWDC? We'll be posting videos of all our sessions during the conference, so Registered Apple Developers can take advantage of great WWDC content."

Apple has launched an update to its official Apple Store application for mobile shopping on iOS devices. Besides being able to research and purchase all of your favorite Apple products, the app now provides notifications that will let you know when you're eligible for an iPhone upgrade at the subsidized price. When you're ready to order your new phone, simply use the app to have it delivered to your doorstep.

Other notifications have also been added, providing shipping information for orders and letting you know when your purchases have been delivered. As always, the Apple Store app makes it possible to order items and pick them up later at the nearest retail location.