Guest author Sameer Bhatia is founder & CEO of [ProProfs](http://www.proprofs.com/knowledgebase/), a leading provider of online learning tools for building, testing, and applying knowledge. ProProfs Knowledge Base Software is used to create highly-searchable online FAQ’s to improve customer service and reduce tickets. It helps centralize access to organizational files, documents and how-to articles ensuring they can be accessed across multiple devices and platforms. Sameer founded ProProfs based on the vision that knowledge should be freely available to people from all walks of life. The site hosts 1,000,000+ pieces of content in 90+ languages, and is a leading platform for online training and assessment with the world's largest library of professional tests & quizzes. He has a Master's degree in Computer Science from the University of Southern California (USC) and is an ed-tech industry veteran. You can find him on [Google+](https://plus.google.com/+SameerBhatias/posts) and [Twitter](https://twitter.com/sameer_bhatia).
