Bugtraq mailing list archives

Re: Some Voters Say Machines Failed, Incorrect Choices Appear on Screens (fwd)


From: Valdis.Kletnieks () vt edu
Date: Mon, 25 Oct 2004 21:29:34 -0400

On Mon, 25 Oct 2004 01:00:46 EDT, "Atom 'Smasher'" said:

          Herrera said she's heard stories from Democrats and Republicans. 
In some cases, when people have tried to vote a straight ticket, the 
screen has given their votes to every candidate in the opposite political 
party, she said.

          She believes it's a people problem. "I have confidence in the 
machines," she said. "They are touch screens. People are touching them 
with their palms, or leaning their hand. ... They're hitting the wrong 
button."

If it's a widespread people problem, it's not the people's problem, it's
the UI designer or programmer's problem.

Synaptics makes a touchpad often used in laptops that can *do* palm detection.
Knowing this, the machine should either be built with equivalent technology,
or a *BIG* sign:

*** CAUTION: UNGROUNDED ELECTRICAL MACHINERY!!! ***

ONLY TOUCH MACHINE WITH ONE FINGER.  ALLOWING ANY OTHER PART OF
YOUR HAND OR BODY TO COME IN CONTACT WITH THE MACHINE MAY EXPOSE YOU TO
DANGEROUSLY HIGH VOLTAGES!!

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