A few minutes ago I was calling my family, and had a 15-second video ad after they picked up. According to them, they saw the ad too.
Do you think this is a case of A/B Testing, or are the ads here to say?
Picture for reference:
(http://imgur.com/a/ddddPAm)
Comments URL: https://news.ycombinator.com/item?id=33629900