There are some debates about IT products which are far more like religious arguments rather than technical discussions because there really are no right or wrong answers, just opinions. Obvious examples are the two button "PC Mouse" vs. the single button "Mac Mouse" , coding using "Multi Threading" vs "Multi Process" techniques, using images in GIF , JPG or PNG format or perhaps the ultimate in cosmetic comparisons, the Black Thinkpad vs the White Macbook One such debate has revolved around what key should be used to refresh a view or page or in the case of a mail client, check for new mail. As with most things in the PC Software world, there has never been a standard for such things. Each developer does what they think best. However, over time " De facto " standards sometimes emerge. In the case of the refresh key, it became the key F9 since this was what was used by Lotus 123 , the dominant application at the beginning of the...