Some fresh bookmarks from delicious.com

• Lingonkoefficienten – Måndagen 8 mars framträder Four Tops och Temptations på Cirkus i Stockholm. Båda grupperna har bara en originalmedlem kvar. Hur mycket lingon måste det finnas i burken för att den ska få kallas lingonsylt?
• Why the Maya used a 260-day calendar – The Maya actually used three different calendars. The Tzolk’in ran on a 260-day cycle, and the Haab’ used a 365-day cycle. Then there was the Long Count, which counted days since a mythical beginning of time and also included the other two.
• The Economist: Economics focus: Diversity training – Some developing economies are rich but crude, while others are poor but sophisticated
• The Atlantic: Have You Ever Tried to Sell a Diamond? (February 1982) – The history of the De Beers diamond cartel and their PR campaign to make diamonds an essential part of every engagement.
• Temporal User Interfaces – Humans mostly use two dimensions to organize and identify things: Space and Time. People are pretty good at thinking in the dimension of time. We can take advantage of this ability when designing human interfaces.