Beyond collecting and storing information, new tools for thought allow users to resurface, connect, and generate knowledge. Whether visual or textual, this new breed of tools encourage users to link their ideas together, find interesting patterns, and create original content based on their research.
Publicly surfacing salaries and operating costs would foster a new level of accountability on the part of restaurant owners, leading to a more stable footing for restaurants and ultimately creating a better working environment for staff.
Learning is just the act of engaging with an external thing and performing many conjecture/criticism loops, forming conclusions, and building on them to form a body of knowledge.