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Risks Digest (Norman)

 

The New 7 series BMW no longer has all those knobs and buttons that clutter up the dashboard - you know, where each knob does one thing that you can count on. Instead, it has a single controller located on the center console that "functions similarly to a computer mouse." It drives a display in the center of the dashboard. It is called the iDrive: i for "intuitive." (Don't get me started on intuitive. You know what's intuitive? Fear of heights. Everything else we call intuitive, such as walking or using a pencil took years of practice. Is that what we want? A control that takes years of practice?)

The iDrive plus display, says the sales brochure, is a "user-friendly interface (that) offers quick access to over 700 settings, plus navigations system maps, phone book listings, and more" One control, one display -- 700 settings? What were they thinking?

...As USA Today put it: "it manages to complicate simple functions beyond belief." Auto review said "iDrive is not simple, no matter how clean it looks to the naked eye. ... Our advice ... is to ... retain basic manual controls for functions that are used every day."

-- Don Norman "Just because it's funny doesn't mean it isn't real" (2 Apr 2002) Risks Digest http://catless.ncl.ac.uk/Risks/22.02.html#subj2
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Cambridge, UK. An old dream of cartographers has finally been realized through flat-panel displays and small, portable computational devices. For centuries, cartographers have dreamed of full-scale maps, that is, a map with a scale of 1:1, so that 1 Km. of the map would represent 1 Km. of the world. Implementation difficulties made such a map impractical. But now, scientists at Cambridge University have been able to display the full-scale map on a flat-panel screen, scrolling the map as necessary to cover the territory.

The new technique has already revealed important results: errors in the existing geographical databases. These errors were revealed when geographers in Cambridge compared the full scale map with the terrain and discovered that they didn't fit precisely: Several structures, including a college building and several roads were determined to be in the incorrect location. "Rather interesting," said Lewis Carroll, spokesperson for the university, "several college buildings are quite off their correct location." Unfortunately, initial estimates for moving the buildings and roads to correct these discrepancies are too expensive, so, as Carroll puts it, "we will have to put up with these problems, but we will annotate the map to show where these placement errors occur."

An unexpected positive finding is that the map serves both types of map-users well: those who like to orient the maps so that North is always up, regardless of their direction of travel, and those who like to orient the map so that it corresponds to the positions of objects in the world. Now, either type of map user can be accommodated, something which was not possible when full-scale maps were implemented only on paper.

When asked what new developments might be expected from the college, Mr. Carroll stated that they were working on full-scale biographies, providing a much more realistic depiction of a person's life. This would allow a biography, for example, to take place in the same time-scale as the person's life, increasing the realism dramatically. Full scale renditions of other phenomena are in the works, but Carroll said that confidentiality restrictions prevented discussion until they were fully realized.

-- Don Norman, "Cartography dream realized", Risks Digest, Saturday 1 April 2006. http://catless.ncl.ac.uk/Risks/24.22.html#subj4
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