"Liner" helps you highlight and save text on the web. Highlight your favorite sentences on Medium, Wikipedia, and PDF files. Linersaves all your highlights made across mobile and desktop. Share highlighted pages instead of sharing...
See More the entire article. Leave sentence-level feedback on web pages by leaving comments on the highlights itself.

By crowd-sourcing highlights we can find out what sentences people are actually interested in. While Google is limited to knowing what “Pages” you prefer. Liner goes a level-deeper and knows what “Sentences” within the page you prefer. Google knows you bookmarked 20 pages. Liner knows you bookmarked 20 pages and at least +10 Highlights for each webpage.