It is somewhat alarming to countenance the staggering number of people who are so not au fait with the function of the apostrophe. This is another sad indictment of the nonchalant approach with regards to teaching people the unquestionably essential subject of English Grammar the way it should absolutely be taught. Instead people are being both patronised and compromised and we end up with so-called native-speaking adults churning out sentences of the "johnnys cars parked in the garage" or "wheres the lichfield cathedral situated?" ilk! It is a little nauseating, to say the least and those who fail to take cognisance of that are failing the children of our great nation. Some might say that understanding the actual use of the apostrophe (i.e. denoting possessive case or merely contracting two words) is of little relevance to their cosy existence but I beg to differ. It is cardinally fallacious to minimise the importance of something like this and for me finding out that so many children and adults alike who claim English as their mother tongue are demonstratively clueless about such a fundamental aspect of our language is all the more exasperating. There are also those who opt to brandish the poor old apostrophe like confetti anywhere they see fit in a word rather than completely overlooking it or consigning it to the overflowing linguistic waste-paperbasket. The results are equally hideous: "Ryans' coin's are making a jingly noise in his jackets pocket's!" or "Jack Wagners didgeridoo kept me awake last night. It's noise drove me ditty!" The apostrophe DOES PLAY an important role in our language, therefore, it should NEVER EVER be misused!