A list of five handy apps for the Microsoft Surface

PDF Touch 1

4. PDF Touch

One of the essential apps for almost any computing device is an app for opening PDF files. PDF Touch will indeed let you open PDF files, but it takes things a step further. Using a touch screen interface, you can actually mark up PDF documents. For example, you can highlight key phrases or doodle on a document.

Credit: Images by Brien Posey for TechRepublic

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