Now, your iPhone is a webcam, and can send live video where you want it to go

Maybe you really don't need a webcam. Maybe you just need one for a short use or specific use? PixWebcam turns any iPhone, iPad, or iPod touch into an ad-hoc webcam for taking photos in definable intervals. Photos are then uploaded to various channels like Dropbox or Twitter. May 5, 2017

iPhone becomes WebCam phone

Tidal Pool Software's PhoneCam 2.0 for iPhone and iPod touch turns your iPhone or iPod touch (camera required) into a wireless webcam. December 16, 2010