Advertising can do more harm than good when it is intrusive. Such as: pop-ups, email spam, or just targeting the wrong audience.
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Yep agreed, advertisement is advertisement, some time a small ad give an extraordinary result, it is very hard to predict the desired result in advance.
Unsolved 
Pesonally, with so many options available to a person for promotion I would find a better avenue for getting the word out. 
