Mercury Reader (formerly readability) https://mercury.postlight.com/reader/ https://mercury.postlight.com/reader/ and Slashdot both belong as prior art. Slashd

Mercury Reader (formerly readability) https://mercury.postlight.com/reader/ https://mercury.postlight.com/reader/ and Slashdot both belong as prior art. Slashdot has had the ability to change length of comments for a long time.