Along with Google Instant, another recent change in Google's interface involves the handling of supposed typographical errors. The old behavior displayed results for the actual words typed, say "fahters day" but with the question "Did you mean Father's Day?"

Now, Google automatically displays the results for the predicted/corrected search.

Often, that produces good usability, but not always. For instance, our friends at The Scooter Store sell Zipr scooters, a popular mobility scooter (akin...