The Virgin safety video is appointment viewing, garnering more than 700, 000 views on YouTube.

FORBES: Delta Air Lines' Awesome In-Flight Safety Video, And How Innovation Spreads

Once you install Xsync on your iPhone, you select an audio file, photo, video, contact, or calendar appointment, each of which is represented by a simple icon.

WSJ: Easier File Sharing With Phones In Black and White

Video chats take planning and preparation, and appointment times can sell out.

WSJ: Comparing Santa Video Chats

He pledged to push ahead with electronic school report cards, online GP appointment booking, neighbourhood "crime mapping" and video identification of suspects.

BBC: PM launching online question time

"Growing up in California, I didn't know much about the Arab world, " he said in a State Department video prepared to introduce him to the Libyan people after his appointment as ambassador in May.

CNN: Slain ambassador died 'trying to help build a better Libya'