An example of voting
How to vote when:
You have a project with several stake holders.
There are x things to do with y money so some prioritizing is a must.
You can quantify the stake holders’ influence, like the amount of money invested in the project.
Answer:
Give each stake holder a number of markers according to their investment.
Spread the tasks on a table and let each vote with their markers.
Easy, visible and should induce communication.