Interesting article from the Washington Post here.
Look at the description of "bespoke" apps from the other side. This is a new era of apps -- customized from templates and frameworks but not the way it was at the height of the dot-com bubble. Now customization is small-scale for a limited universe of users in many cases.
It's not hard to pay the restaurant bill with a credit card or account, but splitting the bill and settling up is another story.
There's a great article from Consumer Reports here.
Questions abound: to you tip off total before tax or after tax? Do you divide the bill by the number of people or do you allocated the bill based on orders? And then there's that vexing question of "can I just have a forkful of your dessert?"