FaceTime
Used by 15 peopleen.wikipedia.org ↗

“And, I’ve been corralled into an iPhone by said daughter because “Mom, now we can FaceTime” and, of course, take better pictures.”
Dr. Psyche Interview, Culinary historian, writer · via Uses This 
“FaceTime for family face to face chat.”
Chris Coyier Interview, Developer (CodePen, CSS-Tricks) · via Uses This 
“The Narrative Director often works remotely, so - via FaceTime - he lives in an iPad on my desk.”
Olivia Wood Interview, Narrative editor, writer, developer (Failbetter Games) · via Uses This 