Made possible by recent innovations in type software, live chromatic type is creating a bit of a furore in type design. Here's an interview with one of the field's passionate proponents. Of course, Chromatic typefaces are not new -- the spectacular original versions were cast in metal and set by hand.
Google has an endearing penchant for quixotic projects. Noto is that, but also a noble effort to construct a completely inclusive set of typefaces — covering all of the world's major scripts but also most of the minor ones. The name is derived from 'no tofu' — the little white squares that pop up when one attempts to type a character outside the character set of the font in question. The font itself is fairly vanilla, but highly readable and comes in four sans and four serif weights, and is free from Google.