"Detect" is overbroad and should not be used. Tag with the specific sort of detection you mean: collision-detection, face-detection, feature-detection, browser-detection, etc, etc.
This tag has an active burnination request. It should be removed from questions, not added.
Detection activity exist in many ways.
For example:
- Detecting active bluetooth devices;
- Detecting Internet Connection;
- Detecting available ports;
- Detecting incoming voice;
- Detecting color scheme;
- Detecting features.
