Use this PowerPoint add-on to produce interactive presentations and training materials, complete with branching paths and multiple choice quizzes.

iSpring's Free E-Learning Suite consists of iSpring Free, a free PowerPoint-based tool for converting presentations to Flash, and Free QuizMaker for making interactive quizzes. Both tools are widely ...

The company lifts the curtain a little on its new PowerPoint tech for interactive, shareable presentations called Office Mix.