PC World Business

Digital video editing on your computer has come a long way. Home movies are simple and even advanced features are at most users fingertips.

Before you install a database, you need to grapple with concepts like database servers, relational and object databases, and the thorny question of why apparently similar products range in price from free to hundreds of thousands of dollars.

Read this guide to understand how e-mail works and how it folds into the broader capabilities of today's messaging and collaboration platforms.