Learning the alphabet isn’t exactly as easy as A-B-C for some kids. But with an iPad and a solid app or two, your kids will soon be reciting the alphabet in no time. Lex Friedman looks at the best options in the App Store for learning letters.
PDF is the de facto standard for electronic document sharing or distribution. There are many PDF utilities to choose from when you want to create, edit, and view PDF documents, but here's a look at five of the best tools for working with PDFs.