3 ms·

Relatively unheard of is an understatement. I have been at Google for a few years and had no idea this was available externally.

• DannyBee 12y ago
  Unless you were around between 2007 and 2010, you probably wouldn't :)
  • ikailan 12y ago
    We also used it a decent amount externally when we did certain kinds of live Q&A Hangouts like developer platform office hours.