For all the good that social media has done, it's become increasingly difficult to ignore its dark sides. Many studies show links between heavy social media use and a decline in mental health. Isa Watson had her own reckoning with the dangers of relying on the virtual world for validation. To counter the more toxic aspects of social media, she founded Squad, a mobile application centered on nourishing friendships. The US entrepreneur has now written a book entitled "Life Beyond Likes: Logging Off Your Screen and Into Your Life". She joined us for Perspective.