Thats exactly what I do. Mind you, not usually within a crowded tiny room. Sometimes talk is just not enough to earn trust, people want to see evidence. A phone

Thats exactly what I do. Mind you, not usually within a crowded tiny room. Sometimes talk is just not enough to earn trust, people want to see evidence. A phone with the apps and shortcuts pre-installed is live demo hazard ridden but generally a tablet is a nice backdrop to conversation.