Aye, actually I ran into that a year ago and took a bit from it, thanks for bringing it up again, I forgot about it.
The main caveat is, the article assumes that servers would be carrying around iPads - we've found iPod touches are more than sufficient and iPads acting as centralized hubs like a traditional POS work well.
The main caveat is, the article assumes that servers would be carrying around iPads - we've found iPod touches are more than sufficient and iPads acting as centralized hubs like a traditional POS work well.