Cowritten by Kelsey Schultz and Tchiki Davis. Mind mapping is a technique through which you develop and visually organize thoughts, ideas, and information. This technique involves identifying a ...

The open source desktop geographic information system software QGIS can be a powerful tool for investigative journalists.

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...