Jason Chun is a CNET writer covering a range of topics in tech, home, wellness, finance and streaming services. He is passionate about language and technology, and has been an avid writer/reader of ...

If you've ever had to spell out words like W-A-L-K or T-R-E-A-T around a dog, you know that some dogs listen in to humans' chitchat and can pick out certain key words. Well, it turns out that some ...