How To Say “No” To A Roadmap Hijacker

How do roadmaps and best-laid strategic plans get hijacked or derailed?  What can product managers do to protect their products from the would-be hijackers (who are likely unaware of the consequences of their demands)? Who is Hijacking my Roadmap?!?! In many cases, strategic customers are holding your roadmap hostage. We all know how important these relationships…