Every element of a website can have a subconscious effect on visitors. Dotting every I and crossing every T becomes an understatement for UI/UX designers when something as seemingly insignificant as the placement of a dollar sign affects buying behavior. If a dollar sign can have a big influence on sales, imagine how important color choice can be. Because color can have such a weighty effect on purchasing habits, designers put a lot of stock into their choices, far beyond a...

Back in the days when the Hare Khrishna were spreading the Hindu word at airports and other public places, single-stem flowers could be found in the nearby trash cans. For anyone who was paying attention, the Hare Khrishna would, from time to time, fish those flowers straight out of the garbage. This odd behavior was described in the book "Influence: The Power of Persuasion," written by Robert Cialdini. In it, Cialdini described the rule of reciprocity, which the Hare Krishna leveraged...