"Presenters are usually guilty of including too much data in their on-screen charts," says Garr Reynolds, author of Presentation Zen. It's not that charts are bad in a PowerPoint presentation, but ...

Charts and graphs are essential to summarize an extensive data set in visual form. They make presenting and interpreting information easier and even more fun. Here’s how to make a chart or add a graph ...

Key-value, document-oriented, column family, graph, relational… Today we seem to have as many kinds of databases as there are kinds of data. While this may make choosing a database harder, it makes ...