A.I. Home Fitness Machines Push You Past Your Limits

https://www.wsj.com/articles/a-i-home-fitness-machines-push-you-past-your-limits-11589309016?emailToken=cfbe0d03d350c60a0ceb833dc79e5c64oLMghlBryOOHqHkaVtOMmiAgibUkIOaplm8JA7QN2YLjuLUc3kUXHKyLlb5ktTA2z2Z4jfYhy+Qyh6DcbvlsODrlFKVMCFd0XBzMpMMXSWw%3D&reflink=article_email_share&fbclid=IwAR3Gc-hz7q9V5gXmpPZ6YpqTWt8v6fqUavR1n5TdsOoDbBWil1qUb1-QBrE