Surveillance Technology

noun a high-tech system used in sports such as tennis and cricket to track the path of the ball and determine whether it is in or out of play

• Hawk-Eye technology is commonly used in tennis to accurately track the trajectory of the ball.
• I love watching tennis matches with Hawk-Eye because it shows the ball's exact placement.
• Hawk-Eye is like having a cheat code in tennis, it never misses a call.
• His attention to detail was like having a Hawk-Eye, he never missed a thing.

noun a device that allows parents to remotely listen to or watch their baby in another room

• The baby monitor allows parents to keep an eye on their child from another room.
• I always have the baby monitor on so I can hear if my baby wakes up.
• I'll just bring the baby monitor with me so we can keep tabs on the little one.
• The security cameras act as a baby monitor for the entire building, ensuring safety at all times.

noun A word that represents a person, place, thing, or idea. In this case, 'app' is a noun that is short for 'application', referring to a software program designed to perform a specific task on a computer or mobile device.

• The use of a stalking app to monitor someone's movements is a violation of privacy laws.
• I heard there's a new stalking app that lets you track your ex's location, it's creepy.
• I can't believe she's using a stalking app to keep tabs on her crush, that's so shady.
• Social media can sometimes feel like a virtual stalking app with all the tracking and surveillance.