Sean McGrath's latest column puts an AJAX spin on the age-old struggle between the human-accessible and machine-accessible aspects of software:
Making an application easier to use almost always means making better use of the users ability to see; to hear; to click buttons; to access drop down menus and so on. Unfortunately, computers themselves cannot see or hear. This results in a most unfortunate inverse relationship. Namely, the more visual and interactive and compelling an application is from a user interface perspective, the harder it is to make said application do its thing without human intervention. [Sean McGrath: AJAX and the hidden cost of ease of use]
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