For those who enjoy a higher level of aesthetics, Bing does a very nice job of welcoming you each day with a beautiful photograph, usually nature-based, which changes daily. It serves as the "blank canvas" surrounding its minimalist search environment, which I like a lot.
But as debate ensues over whether or not Bing will make a dent in Google's stronghold, Kaila Colbin posts an interesting observation in today's Search Insider which draws a corollary between user preference for Google and her father's recovery from a stroke.
Kaila talks about the incredible power of habit ("the dinosaur brain," from Neale Martin's book Habit: The 95% of Behavior Marketers Ignore). As Kaila sums it up, "How much conscious thought did you put into deciding which (search engine) to use?
Definitely worth a read.