Gadgets review: iAnnotate PDF

This app allows users to read, highlight, mark up and make notes on any PDF using an iPad. You can then share your work with others. This product was named Best Productivity App and Best Collaboration App in the 2012 Tabby Awards and has a 4½ star (out of 5) rating in the iTunes App Store.

Phil Pikelny is vice president of Dispatch Digital and chief marketing officer of The Dispatch Printing Company.