From owner-freebsd-usb@FreeBSD.ORG Wed Sep 29 01:44:15 2010 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A1B8F106564A for ; Wed, 29 Sep 2010 01:44:15 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 675EF8FC0A for ; Wed, 29 Sep 2010 01:44:14 +0000 (UTC) Received: by iwn34 with SMTP id 34so478647iwn.13 for ; Tue, 28 Sep 2010 18:44:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:cc:content-type; bh=G6F2MB6pof8Pgwyfd8BeV4BeWTiibUOJBRkZnA7kpgI=; b=mXHYCyrul9XqT19Raq3OvZr1nEbNFEM+np3mbbInkuvRjMPYaJzQMWBZxNGbC9TQ/2 XWOkLk0ZrNrwdPhJGl04mq/I9O1gNwo/Q5xXs3bW2rMWFJDHAHeknS/rdB2L9kII/ict n4d4mqsiJkT+TEqrORvdtRgde2+Vi9oWGZ9Ao= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=V8Z6MEbF/0/7Kx0p6tykEcuLGPZvwLmrKE73DyqmWV/DD3xFqhkbYfRz+YTdbnxpF6 UCAKP0aQ3KR/J2zg4PViZ9YJXoibxj8Mp0kGo+nIO8sSx67Jo6LqY0x0njSUoCNK1UCk ZKrlkY3pDWlNgs+N8jQ0bxZiN09Mz6975QIko= MIME-Version: 1.0 Received: by 10.231.183.134 with SMTP id cg6mr828152ibb.197.1285723329198; Tue, 28 Sep 2010 18:22:09 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.231.156.206 with HTTP; Tue, 28 Sep 2010 18:22:09 -0700 (PDT) In-Reply-To: <201009271421.42082.hselasky@c2i.net> References: <201009271421.42082.hselasky@c2i.net> Date: Wed, 29 Sep 2010 09:22:09 +0800 X-Google-Sender-Auth: c1dn3H6uFX70XAasAQOLcDy3to0 Message-ID: From: Adrian Chadd To: Hans Petter Selasky Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-current@freebsd.org, freebsd-usb@freebsd.org Subject: Re: [USB] Keyboard, mouse and ergonomy X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Sep 2010 01:44:15 -0000 On 27 September 2010 20:21, Hans Petter Selasky wrote: > Hi, > > I was thinking about adding a sysctl to ukbd and ums that shows how many > keypresses have been done and how many pixels you have moved the mouse during > a day. These number will mostly be useful for making ergonomic arguments that > a certain way of working is better than another one. > > Anyone have any comments or input on this? Are there any security concerns > about this? Grab a book or five on ergonomics, UI design and Human/Computer Interaction. Read some of the papers that you can find on what went into say, apple's (earlier) UI design. It's all rather interesting and enlightening. :) As other have said, minimising keypresses/mouse movements isn't 1:1 correlated with "better ergonomic design." Adrian