Is selling $90,000 prints of photos plucked from Instagram stealing?

What Artist Richard Prince recently made the news for his series of prints made from photos he found in his Instagram feed -- he didn't create the images, but he was selling them for $90,000 a pop. The digital age and rise of everything-sharing has created turmoil in the world of copyright law. Get insights and offer opinions on what the deal is at "Rip Off, or Fair Use?", co-hosted by The Greater Philadelphia Cultural Alliance and the Philadelphia Chapter of the Copyright Society of the USA.
Where Pepper Hamilton LLP at 3000 Logan Square
When August 6, 2015 at 5:30 am to 8:00 am
How much $20