Tweaking your face
How social media is fueling the modern cosmetic surgery industry. The BBC's Regan Morris visits a Botox party in Los Angeles and Sarah Treanor investigates a cosmetic surgery industry event in London. Researcher Matt van Dusen from Alliant International University in San Diego discusses what the rise of cosmetic surgery tells us about how our identities are being defined by social media. (Photo: Botox treatment, Credit: Getty Images)