"If you have to fly 100 people around the world for just a conference, isn't it a better idea to hold the conference in a location nearby, say Europe (depends on how many are coming from Australia of course)?"
The International AIDS Conference happens in a different city every two years, each time highlighting the successes and challenges of that particular region of the world in dealing with HIV/AIDS. It's not unusual at all for a large number of delegates to have to fly across the world.
Give me a break. How many big corporations have unpaid internships? Yes, it sucks that not everyone is in a position to accept unpaid internships. But pointing fingers at Sheryl Sandberg because her company is doing the same as an untold number of others is disingenuous.
The International AIDS Conference happens in a different city every two years, each time highlighting the successes and challenges of that particular region of the world in dealing with HIV/AIDS. It's not unusual at all for a large number of delegates to have to fly across the world.