Picking a font size for the web used to be really easy. 16 points and you’re done. You could feel confident that your content would be decently readable on PC or Mac, Netscape or IE. Man, have times changed.
Lean UX emphasizes rapid, iterative UX phases, placing a heavy focus on team collaboration, user input, and measurable results.
This essay is adapted from Indistractable: How to Control Your Attention and Choose Your Life by Nir Eyal.
Agile is an iterative approach to project management and software development that helps teams deliver value to their customers faster and with fewer headaches. Instead of betting everything on a "big bang" launch, an agile team delivers work in small, but consumable, increments. Requirements, plans, and results are evaluated continuously so teams have a natural mechanism for responding to change quickly.