Thanks for watching : an anthropological study of video sharing on YouTube YouTube initiation : participating through a camera Growing closer : sharing time and space Synching up through reciprocity What defines a community Portals to the posthuman Living with arrhythmia : prospects for renewal. YouTube hosts one billion visitors monthly and sees more than 400 hours of video uploaded every minute. An anthropological perspective on this mediated social environment demonstrating how core concepts from anthropology participant observation reciprocity and community apply to sociality and how to reconceptualize and update these concepts