Visitorship vs Revenue

...And on the other hand, this article reminds me that an increase in visitorship does not necessarily translate into an increase in dollars. So what's a museum to do? Welcome staycationers with open arms, knowing that it won't result in more money now but hoping that it will lead to future memberships and donations? C'mon marketers, development and membership officers--on your toes? How are we going to take this boon of visitors and turn it into ongoing support for our museums?