They play immediately when opened and can be operated by a 2 year old. They're an advertising media and not likely to be stolen from kiosks or malls but yet unlikely to be thrown away when used as a "leave behind" by salespeople.
There's no security issues like passwords or confidential information to worry about.
They can be custom printed and do not require software updates, downloads, WiFi or Internet connections and your users don't have to view ads.
