I want to know the answer to the following question:
How big was Live Aid's TV audience?
All the background I'm provided with is that "At Live Aid, held at Wembley on 13 July 1985, in front of the biggest-ever TV audience of 1.9 billion, Queen performed some of their greatest hits, during which the sold-out stadium audience of 72,000 people clapped, sang, and swayed in unison.". Is that enough to answer the question?
Answer: yes