A Bangladeshi migrant takes a selfie as his friend jumps in the sea near the port of Mytilini on the northeastern Greek island of Lesbos, Greece, on Friday October 7, 2016. More than a million migrants and refugees crossed through Greece and on to other EU countries since the start of 2016, while over 60,000 have been stranded in the country since the EU-Turkey deal took effect and the Balkan transit route north was closed. (Photo by Petros Giannakouris/AP Photo)





Recording artists Demi Lovato (L) and Taylor Swift take a selfie at the 2014 MTV Video Music Awards at The Forum on August 24, 2014 in Inglewood, California. (Photo by Jeff Kravitz/MTV1415/FilmMagic)





Commuters take selfies beside billboards showing photographs of cats inside Clapham Common underground station in London, Britain September 14, 2016. Some 700 people helped the Citizens Advertising Takeover Service (CATS) raise enough money to buy advertising space at the tube station, making it free from commercial adverts for two weeks. (Photo by Dylan Martinez/Reuters)





Pokot community girls who escaped from Female Genital Mutilation and forced early marriages take a selfie before their graduation ceremony after completing trainings on social entrepreneurship and information and communications technology (ICT) at the St. Elizabeth girls centre in Ortum, West Pokot county, Kenya, September 15, 2016. (Photo by Reuters/Stringer)





Spain's Rafael Nadal takes a selfie with a fan during the Davis cup tie against India in Delhi, India, September 18, 2016. (Photo by Cathal McNaughton/Reuters)





A woman takes a selfie with military cadets as they attend a Peace March to mark the International Day of Peace in Kiev, Ukraine, September 21, 2016. (Photo by Gleb Garanich/Reuters)





A spectator takes a selfie with Real Madrid's coach Zinedine Zidane during a training session for a selection of U14 players of the Canton de Vaud in the Pontaise stadium in Lausanne, Switzerland, October 3, 2016. (Photo by Denis Balibouse/Reuters)





A couple videochats on their smartphone on the beach in the aftermath of Hurricane Matthew near Nassau, Bahamas October 9, 2016. (Photo by Carlo Allegri/Reuters)





Hindu women use their mobile phones to take pictures after worshipping the idol of the Hindu goddess Durga on the last day of the Durga Puja festival in Kolkata, India October 11, 2016. (Photo by Rupak De Chowdhuri/Reuters)





Boys pose for a selfie in front of the foam covering the polluted Yamuna river in New Delhi, India, October 11, 2016. (Photo by Adnan Abidi/Reuters)





Philippines President Rodrigo Duterte is having his pictures taken with three girls as they attend the ceremony marking the anniversary of the Philippines Coast Guard in Manila, Philippines, October 12, 2016. (Photo by Damir Sagolj/Reuters)





Justin Timberlake, star of the concert film “Justin Timberlake + The Tennessee Kids”, films fans on his cell phone as he arrives at the premiere of the film on day 6 of the Toronto International Film Festival at Roy Thomson Hall on Tuesday, September 13, 2016, in Toronto. (Photo by Chris Pizzello/Invision/AP Photo)





Democratic presidential nominee Hillary Clinton takes a selfie with supporters after speaking during an Iowa Democratic party early vote rally September 29, 2016 in Des Moines, Iowa. (Photo by Brendan Smialowski/AFP Photo)





Two women wearing traditional hanbok dresses pose for a selfie before Gyeongbokgung palace in Seoul on October 12, 2016. Samsung Electronics slashed its latest quarterly profit estimate by one third in the wake of a highly damaging recall crisis that ended with the scrapping of its latest flagship smartphone. (Photo by Ed Jones/AFP Photo)





Hillary Clinton waves to a selfie-taking crowd at a recent campaign event in Orlando, Florida on September 26, 2016. (Photo by Barbara Kinney/Hillary for America)





Amy Adams and Jeremy Renner attend the “Arrival” Royal Bank Of Canada Gala screening during the 60th BFI London Film Festival at Odeon Leicester Square on October 10, 2016 in London, England. (Photo by John Phillips/Getty Images for BFI)





A couple kisses while they take pictures in the middle of a cosmos field at Olympic Park in Seoul, South Korea, Wednesday, September 21, 2016. (Photo by Ahn Young-joon/AP Photo)





New “wet look” Justin Bieber figure is unveiled at Madame Tussauds on October 9, 2016 in London, England. (Photo by Ben A. Pruchnie/Getty Images)





Ashley James and AJ Odudu pose with some favourite Disney Friends during the Disneyland Paris Half Marathon Weekend Event on September 29, 2016. (Photo by Jon Furniss)