Primatologist Jane Goodall and Lilian Pintea, vice president of conservation science at the Jane Goodall Institute, prepare to speak at a session about mapping technology and chimpanzee forest restoration on September 2, 2016 at the International Union for Conservation of Nature World Conservation Congress in Honolulu, Hawaii. The Jane Goodall Institute is using satellite imagery, digital mapping and NASA technology to encourage large scale conservation projects in the forests of Africa. / AFP PHOTO / Kerry SHERIDANKERRY SHERIDAN/AFP/Getty Images

Primatologist Jane Goodall signs autographs at the International Union for Conservation of Nature World Conservation Congress in Honolulu, Hawaii, on September 2, 2016. The Jane Goodall Institute is using satellite imagery, digital mapping and NASA technology to encourage large scale conservation projects in the forests of Africa. / AFP PHOTO / Kerry SHERIDANKERRY SHERIDAN/AFP/Getty Images

Primatologist Jane Goodall signs autographs at the International Union for Conservation of Nature World Conservation Congress in Honolulu, Hawaii, on September 2, 2016. The Jane Goodall Institute is using satellite imagery, digital mapping and NASA technology to encourage large scale conservation projects in the forests of Africa. / AFP PHOTO / Kerry SHERIDANKERRY SHERIDAN/AFP/Getty Images

Primatologist Jane Goodall speaks at a session of the International Union for Conservation of Nature World Conservation Congress in Honolulu, Hawaii, on on September 2, 2016. The Jane Goodall Institute is using satellite imagery, digital mapping and NASA technology to encourage large scale conservation projects in the forests of Africa. / AFP PHOTO / Kerry SHERIDANKERRY SHERIDAN/AFP/Getty Images

(FILES) This file photo taken on August 03, 2016 shows a woman walking out of a polling station after casting her vote in Meyerton, South Africa. African elections are often marred by fraud allegations, but on the continent such practices have become flagrant due to the mobilization of civil society and the development of technology, according to experts. / AFP PHOTO / JOHN WESSELSJOHN WESSELS/AFP/Getty Images

Nigerian President Muhammadu Buhari (C) and Vice President Yemi Osinbajo (L) receive a present from Facebook founder Mark Zuckerberg (R), during a visit to the presidential palace in Abuja, on September 2, 2016. Nigerian President Muhammadu Buhari on September 2 praised Facebook founder Mark Zuckerberg for inspiring young entrepreneurs during his surprise visit to the west African country this week, his office said. Zuckerberg who arrived in Nigeria on Tuesday and has met with young entrepreneurs at information technology and computer centres in the country's commercial hub of Lagos and the capital Abuja. / AFP PHOTO / SUNDAY AGHAEZESUNDAY AGHAEZE/AFP/Getty Images

Nigerian President Muhammadu Buhari (C) and Vice President Yemi Osinbajo (L) talk with Facebook founder Mark Zuckerberg (R) makes a selfie picture with them, during his visit to the presidential palace in Abuja, on September 2, 2016. Nigerian President Muhammadu Buhari on September 2 praised Facebook founder Mark Zuckerberg for inspiring young entrepreneurs during his surprise visit to the west African country this week, his office said. Zuckerberg who arrived in Nigeria on Tuesday and has met with young entrepreneurs at information technology and computer centres in the country's commercial hub of Lagos and the capital Abuja. / AFP PHOTO / SUNDAY AGHAEZESUNDAY AGHAEZE/AFP/Getty Images

Nigerian President Muhammadu Buhari (C) and Vice President Yemi Osinbajo (L) pose as Facebook founder Mark Zuckerberg (2nd R) makes a selfie picture with them, during a visit to the presidential palace in Abuja, on September 2, 2016. Nigerian President Muhammadu Buhari on September 2 praised Facebook founder Mark Zuckerberg for inspiring young entrepreneurs during his surprise visit to the west African country this week, his office said. Zuckerberg who arrived in Nigeria on Tuesday and has met with young entrepreneurs at information technology and computer centres in the country's commercial hub of Lagos and the capital Abuja. / AFP PHOTO / SUNDAY AGHAEZESUNDAY AGHAEZE/AFP/Getty Images