Who had stolen my idea

I had posted an idea on Learning Management System (LMS) being hosted a SaaS offering as LotusLive [http://rishibhargava.blogspot.com/2008/02/integrating-lotus-learning-management.html] - but apparently, some senior folks had other thought and they had converted this as BizTech projects and I was not even informed and again as usual, it comes to only YOU as an individual in an organization and others will just ride on you.