Some Interactive presentations can become very complex, and hard to maintain over time, but they don't have to be as such. Here is an example for a presentation, that was first done the wrong way, and then redone, so it is more manageable, and easier to delegates the task of content management.
Small changes may become a tedious task, of repeated actions, with a lot of room for human error...
The same user experience and functionality, was achieved with this presentation. Small changes are typically done by making a single change.