You can easily make any picture fit the wallpaper on your iPhone by customizing your phone's (or the photo's) display.

You can use split screen on an iPad to view multiple apps at once and multitask with features like Split View and Slide Over.

The evolution of the engadget logo shows how brands stay relevant by adapting to new technologies and design trends.

Learn more about Engadget writer Mel Martin and their expertise in the field of tech.