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Hot spot (computer programming), a compute-intensive region of a program •
Wi-Fi hotspot, a wireless network access point or area •
Connectify Hotspot, a software application for creating a wireless access point • Mobile hotspot, also known as
Tethering, sharing of a mobile device's Internet connection •
HotSpot, the Java Virtual Machine originally developed by Sun and the current reference implementation of the Java programming language •
Screen hotspot, an area enabled for user interactivity on a display ==Science and healthcare==