- A Room to Let in Old Aldgate — a lovely collection of photographs of lost buildings from The Society for Photographing Relics of Old London. Think of them as the Wayback Machine of their day. (via Fiona Rigby on Twitter)
- Wikipedia Fundraising A/B Tests — get a glimpse into the science that resulted in Jimmy Wales’s hollow haunted gaze staring at you with the eerie intensity of a creepy hobo talking about how tasty human liver is.
- It Takes A Lot of Money to Stay in Business (Ponoko) — guest blogs by Chris Anderson on the lessons and rules of maker businesses. Most Maker businesses that I’ve talked to have to hold parts inventory closer to 25% of their annual sales.