This photo of crowded living conditions in New York is from an interesting article by Theo Mackey Pollack in The American Conservative.
See also:
Little By Little 1: Raymond Briggs on 1940s Britain
Little By Little 2: Li Kunwa on indoor plumbing in 1980s China
Little By Little 3: Scarcity and Subsistence in rural Suffolk in the 1900s
Little By Little 4: Dolly Parton on the scar on her toes (rural poverty in 1950s Tennessee)
Not long ago; or, Little by little (5): Tyler Cowen on progress in living standards since 1900
Tyler Cowen on reading fast, reading well, and reading widely
Matt Ridley: 15 principles of innovation
Efosa Ojomo on market-creating innovation
Marks and Spencer as disruptive innovators
Marc Andreesen on networks of innovation
… and on “Scenius”
César Hidalgo on the importance of trust in networks of innovation
Astro Teller on planning, experimentation and innovation
Resource: Clayton Christensen on disruptive innovation
Zen Hae on cross-pollination, imitation and innovation
The innovation in your head…
W. Brian Arthur on combinatorial innovation
Seeds (2): bikes, planes and automobiles
Hybrids (2): combinations and connections