April 3, 2003: India: Hole-in-the-Wall is a worthwhile quick read. Among other things, it deeply reinforces the (should-be obvious) idea that usefulness (or, related, desirability) is key to getting people to use a product. The most easy to use interface will fail if there's no reason to use it. Likewise, even the early craptacular ebay interfaces proved "usable." (via eh)