What are the top 3 most important items that people carry? Money, keys, and our cel phones. According to Chipchase, this is true across gender, cultures, and contexts.
This TED talk shares some interesting and surprising discoveries about how people in third world countries strive to connect over time and space - some 3 billion + have mobile phones worldwide. Street innovations - such as using the mobile phone as an ATM to send money to rural villages, and reverse engineering to meet the demand for fixing broken phones - exemplify how necessity is the mother of invention, as well as our impressive creative capacity when faced with few or limited resources.