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Courtesy of Microsoft Outlook for Mac, a great example of how not to design auto-completion technology logic. When spam gets through the program’s filter, its address is added to Contacts and Recent Addresses, regardless of whether the user deleted the email, thus showing up later through the auto-complete feature.
Yes, please do invite Best US-Viagra to my team meeting. Hell, can we call and see if some Nigerian millionaires can make it as well?
Although it is already ridiculous this would happen while typing an email, it seems even more out of place while scheduling a meeting as shown here. Clearly these scenarios got past both designers and developers and are enough of a common annoyance you’ll even be able to find an About.com how-to article on how to mitigate them:
How to Delete an Address from the Outlook Auto-Complete List
POORLY DONE