Simplify the following text for a Grade 11 native English-speaking person.
Original: The Mozilla Foundation is a non-profit organization that was created to support and give leadership for the open source Mozilla project . The organization sets the policies that govern development , operate important things that keep Mozilla working and control trademarks and other intellectual property .
Simplified: The Mozilla Foundation also became more assertive over its intellectual property , with policies put in place for the use of Mozilla trademarks and logos .