Check-ins and located tweets and photos for this day
- Two million radio sets capable of broadcasting
Did you know that in the early days of radio, it was common for individuals to broadcast, not just receive transmissions? I had no idea. In the New York Review of Books, back in April 2011, Steve Coll reviews (subscribers only) Tim Wu’s book The Master Switch: The Rise and Fall of Information Empires:
- Links for Tuesday 20 September 2011
- BBC Dimensions: How Many Really?
- Lovely thing from BERG that “compares the number of people involved in key historical events or situations to the people you know through Facebook or Twitter.” Very good.