Kasturi & Sons has launched Ergo, a free daily, in Chennai, says a Mint report. Some backgrounders: Ergo, a 16-page, all-colour tabloid, is India’s first free daily from a large media house. Free newspapers try to recover all their costs—of publishing and distribution—from advertising. Globally, such free newspapers are now published in at least 52 countries. While Ergo is the newest offering, the...