#Bookstagram: Instagram becomes new library for literature lovers

It's likely your social media feed is full of friends' selfies, celebrity product endorsements, and food and holiday shots. But there's a whole community out known by literary lovers as "bookstagram". It's a magical land where bookworms such as the actress Reese Witherspoon and presenter Oprah Winfrey post their latest novel recommendations - which could get more people buying books. Lucie Barbazanges and Pierre Delrieu report.