Which voice assistant works well?

1. Apple Siri performed better than any of its competitors in the test. And his good is mainly that he gives the correct answer, but also has some funny and humorous ingredients. With so much social pressure, no one will refuse to have more humor in life;

2. The image of Xiao Lingling is exquisite, and answering these better ones is faster and more humane;

3. Google Google Now is better than its competitors in every question about traffic or direction;

4. The use of real voices in Microsoft Xiao Na is a major feature of Microsoft Cortana.