Some basic questions to ask about an audience are:
Who will I be speaking to?
What do they know about my topic already?
What will they want to know about my topic?
What do I want them to know by the end of my talk?
By basing the content and style of your presentation on your answers to these
questions, you can make sure that you are in tune with your audience. What you want to say
about your topic may be much less important than what your audience wants to hear about