Anick Jesdanun

The new iPhones look the same as last year's models on the outside. But changes on the inside matter, from camera improvements to new sensors that enable quicker access to tasks.

The good thing about Microsoft's new Windows 10 is that it takes you much less time to get used to than its predecessor Windows 8. There is another great thing about it: This update is free.

Upgrading your phone is no longer as simple as paying $100 or $200 and extending your service contract by two years.

Shoot enough photos and videos, and your phone will eventually fill up. Many phones don't let you add storage, and moving images to a personal computer is complicated for many people.

Apple Watch isn't so much a lifestyle revolution as it is a collection of small enhancements that add up.

No doubt you've run across your share of PDF documents in your work and personal life. Adobe's Portable Document Format has become a common way to publish newsletters, instruction manuals and even tax forms.

A better design, sharper camera and easier to use software make the new Galaxy S6 phones the best Samsung has yet to offer.

This week's news that a Russian crime ring has amassed some 1.2 billion username and password combinations makes now a good time to review ways to protect yourself online. One of the best things you can do is to make sure your passwords are strong. Here are seven ways to fortify them: