Why is this the first time I have heard about the cup?

Silicone cups have been introduced in 2002. Is this the first time you have heard about the cup? Do you know why? Follow the breadcrumb trail and you will have your answer. 

Big multinational corporations dealing with feminine hygiene products are losing a great deal of money since the cup has entered the market. It isn’t in their interest to spread the information about this groundbreaking solution for the period of every woman. These companies are pumping out their adds to support the traditional way / using napkins and tampons. The currents on the market are changing and it is just a matter of time before menstrual cups fully replace tampons and napkins.