Selfies: 2.

: The first known photographic selfie was a daguerreotype taken by Robert Cornelius in 1839. Later, in 1914, Grand Duchess Anastasia Nikolaevna became one of the first teenagers to take her own picture using a mirror to send to a friend.

: The debut of the front-facing camera on smartphones (notably the iPhone 4 in 2010) and the rise of image-centric platforms like Instagram and Snapchat facilitated the "explosion" of selfie popularity between 2013 and 2014. 2. Selfies

: Modern selfie culture has deep roots in 1990s Japanese kawaii culture, particularly through purikura (photo sticker booths) which allowed for digital manipulation and "beautifying" effects long before modern apps. : The first known photographic selfie was a