Bookmarks for April 14th from 15:12 to 16:10

These are my pinboard links for April 14th from 15:12 to 16:10:

• Mike Krieger, Instagram at the Airbnb tech talk, on Scaling Instagram – We all want to know a bit more of the how
• Instagram as an island economy (11 Apr., 2012, at Interconnected) – Applying Marxist classification to Internet economics. Seems so rich (pun not entirely intended)
• Perhaps the best BBC News caption you will ever, ever see – Real? Or photoshoppery?
• — KickstarterPebble: E-Paper Watch for iPhone and Android by Pebble Technology – Because I am a gadget sucker…
• A Chicago Car Elevator Mystery and the Man Who Invented Dialectical Materialism – The 312 – April 2012 – Chicago – Car elevators, proto Marxists, German radicals. Classic Chicago and brilliant sleuthing by Whet.