Reading a text is an activity that can have many goals. Student reads to memorize certain facts for the exam while learning the subject; historian does so to gather key dates, values and facts; a professional seeks a particular answer to a question they have, traveler plans his day in Rome over a volume of Lonely Planet travel guide.
Many people would highlight, copy, focus on certain parts of the body of text.
Why not track, store and make that information shareable. Wouldn’t you want to see notes and highlights a renowned fellow professional made in that paper or article?
What captured most people’s attention is this news piece?
One can almost imagine a heat-map over a body of text, guiding and helping focus on crucial parts when speed is essential.
Making this ‘meta’ layer widely available for analysis and interpretation might inform some exciting new things.