It's kind of a cool campaign. In addition to offering women the opportunity to write beak-up letters to their old pads and tampons, the Facebook page features a collaborative forum for writing a "breakup song".
This one actually seems to have struck a chord:
Being of the wrong gender, I unfortunately cannot participate. But that's probably for the best. I'd probably just end up making a joke involving the word "ragtime" and end up getting angrily flamed by hundreds of people with cramps.