Searching in vain? You know what I mean. You go shopping online for speed and convenience and have an experience like mine, when I went to a popular site looking for shirts. I typed "Egyptian cotton" and got towels. Then, to be more specific, I entered "Egyptian cotton button-down shirt," but got zero matches. So I tried just "cotton button-dwon shirt," inadvertently transposing letters. No matches, again. Finally, I typed simply "button-down shirt"—and received 20 pages of mostly useless results! Out of patience, I clicked to a competitor's site.
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