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From: eugene@pioneer.arpa (Eugene Miya N.)
Newsgroups: comp.cog-eng
Subject: Re: Request for human interface design anecdotes
Message-ID: <3243@ames.arpa>
Date: Wed, 28-Oct-87 12:46:37 EST
Article-I.D.: ames.3243
Posted: Wed Oct 28 12:46:37 1987
Date-Received: Sat, 31-Oct-87 08:17:27 EST
References: <3389@uw-june.UUCP>
Sender: usenet@ames.arpa
Reply-To: eugene@pioneer.UUCP (Eugene Miya N.)
Organization: NASA Ames Research Center, Moffett Field, Calif.
Lines: 19
Keywords: human factors, interfaces

Years ago, when I was first learning computers (on what was called the
Culler-Fried System), I make a mistake on a password and hit an "0"
for an "O".  Correcting this mistake is another interesting security story.

In the last two years, I've noticed an increasing tendency for people to
mistake: "0" and "O", "1" (one), "l" (ell), and "I" (eye): both
secretaries on word processors and managers new to computers.  The "l"
for a "1" is especially annoying.

Also don't forget the Therac 25 Radiation tradement machine: or
VT-100 (Up arrow key) Considered Lethal.  Some references in RISKS,
a 20/20 Segment (you can get a transcript), and a DATAMATION article.

From the Rock of Ages Home for Retired Hackers:

--eugene miya, NASA Ames Research Center, eugene@ames-aurora.ARPA
  "You trust the `reply' command with all those different mailers out there?"
  "Send mail, avoid follow-ups.  If enough, I'll summarize."
  {hplabs,hao,ihnp4,decwrl,allegra,tektronix}!ames!aurora!eugene