Whitening your teeth is not cheap. I've never had the dentist whiten my chompers, but I have used Crest Whitestrips, and they worked pretty darn well. They were also pretty darn expensive (around $30 or so). [more]
The local bus company where I live has started providing a bunch of high-tech aids to riders.
The coolest one is sophisticated trip planning. In a web browser, enter your starting point, desired destination, and departure time. [more]
Businesses, especially big businesses, try constantly to shift work from their paid staff to their customers. It's one of the major trends in business today.
Customers are willing to do the work when it saves them money or saves them time. [more]