Lesley who recently traveled to Paris was anxious prior to her visit because
it was her first trip to the city. However, while she was in the city, she used
a certain technology which helped her find places at the click of a button.
Whenever she was outdoors, she would click a photo of the street on her
palmtop and a list of museums, parks, and eateries would automatically
appear on the screen. With the help of this technology, she could easily
make her way through the city. Which of the following technologies did
Lesley’s palmtop utilize?