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 ...

For bibliophiles, annotating books is a way of deepening their understanding of the text and enhancing their appreciation of literature. While there are readers who are experts at annotation, there ...

There are lots of tools out there that aggregate existing information and even organize it for users to interpret. Since the early Hypercities, GIS tools, for instance, have been very much the rage ...