Paul Glynn and Helen BushbyCulture reporters
Suppose you're building a map application. You have millions of restaurants, gas stations, and landmarks, each with a latitude and longitude. A user taps the screen and asks: "What's near me?"
，更多细节参见91视频
Выявлены часто предшествующие болезни Альцгеймера заболеванияAR&T: Депрессия, гипертония и диабет предшествуют развитию болезни Альцгеймера
Amy Beson is not optimistic that job hunting will get easier
Gamma-Rapho/Getty Images