Square CEO Jack Dorsey certainly had the right idea in having his presentation broadcast as part of the TechCrunch Disrupt conference this week. In an announcement made this afternoon, Dorsey essentially announced a sea change in the way that people can make purchases at local businesses.
To start with, the company has announced a way to eliminate the need for near-field communications (NFC) capability in smartphones. By using an iPad or iPhone and the Square app as a cash register, and then providing a way for customers to set up a tab at a local business, those customers can pay for products or services in the future simply by giving the store or restaurant their name. At th
