Been getting my [sound.tumblr.com](http://sound.tumblr.com) account going again. It’s the linkblog I produce to correlate with the course on sound in the media landscape that I teach at the Academy of Art in San Francisco. Broadly speaking it’s about the sounds of brands and the brands of sounds. It’s about audio and commerce.
Recent posts include:
â—¼ [a new company founded by Emma Clarke](http://sound.tumblr.com/post/54939454729/second-act-for-former-voice-of-the-london-tube), the former voice of the London Underground;
â—¼ [a pair](http://www.ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.com/) of [sound-related promotions](http://www.ahhhhhhhhhhhhhhhhhhhhh.com/) that are part of Coke’s “Ahh Effect”campaign (mentioned here earlier this week);
â—¼ a report on [the persistence of radio](http://sound.tumblr.com/post/54932478876/93-percent-of-americans-adults-listen-to-radio-each) (some 93 percent of adult Americans reportedly listen to radio every week);
â—¼ a [generative sound promotion](http://sound.tumblr.com/post/54931697182/the-headphone-manufacturer-aiaiai-turns-an) by AIAIAI headphones (developed with Yuri Suzuki; see video above);
â—¼ [“a special window for public transportation that uses a transmitter to silently release high-frequency oscillations that your brain will convert into sound”](http://sound.tumblr.com/post/54930059712/ads-get-expressway-to-yr-skull-a-special-window) (see video below);
â—¼ and [Jay-Z’s data-mining app](http://sound.tumblr.com/post/54925466577/why-does-jay-z-need-your-gps-location).