Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: In the 2013 film 'Her,' actor Joaquin Phoenix plays the character Theodore who falls in love with a computer operating system. It might sound like science fiction, but Microsoft has developed a similar computer companion that has become a hit in China. Her name is named Xiaoice, and she is increasingly becoming a 'virtual girlfriend' for thousands of people. According to an in-depth report in the New York Times, many turn to her when they have a broken heart, have lost a job or have had a bad day. 'When I am in a bad mood, I will chat with her,' said Gao Yixin, a 24-year-old who works in the oil industry in Shandong Province told the paper.People can add Xiaoice to a conversation on social media in ChinaChatbot can remember details from earlier conversations to ask questionsThe average person who adds XiaoIce talking to her more than 60 times per month, according to figures by Microsoft 
 Question:New York Times points out that the program raises questions about privacy, since _ collects vast amounts of intimate details on individuals.

Xiaoice