At first take this seems like it would be easy to circumvent, (given a dictionary of homonyms) but... google "look over there." == 1.5M hits google "look over

At first take this seems like it would be easy to circumvent, (given a dictionary of homonyms) but... google "look over there." == 1.5M hits google "look over their." == 16.2M hits google "look over they're." == 1.0M hits Google doesn't support periods, apparently. But, other examples from the article are a little more easy to game: google "do you know were we are going?" = 8 hits google "do you know we're we are going?" = 0 hits google "do you know where we are going?" = 6.1M hits