There are a bunch of ways of monetizing free use though. I work with Free/Open Source accounting/ERP software and I estimate that less than 1% of our users put

There are a bunch of ways of monetizing free use though. I work with Free/Open Source accounting/ERP software and I estimate that less than 1% of our users put money back in our pockets.... But at the same time a lot put money in somebody's pockets, and this grows the community which makes us all more successful and prosperous.