Apple
As with any advertisement, Apple's ad is designed to show you some of Siri's abilities that you may not have known about. Or maybe you'll think of Siri more often when you need to "get things done," and you'll actually start using it.
There's just one big, glaring problem with the ad.
In the video, The Rock exclusively uses Siri in public, but no one likes to use Siri in public. This statement comes from a year-old study published in 2016 by Creative Strategies' Carolina Milanesi. It's 2017, and I don't think anyone's changed their minds about using Siri in public. This probably applies to any other smart AI voice assistant, for that matter.
In all honesty, only The Rock and a select few can use - or should be allowed to use - Siri in public. But I am not The Rock, and you are not The Rock (unless you are The Rock, in which case, hi). For the rest of us, using Siri in public just hasn't caught on.
If you haven't seen it already, here's The Rock's day with Siri: