Last time, I talked about what a sales receipt represented in JSON format might look like. But in the aftermath, I realized something important: I had left too many options open for how to display the information. Initially that detail wasn’t a concern, and I...
Last time, I rambled for a while about what it might be like to have a file format for itemizing a sales receipt. This spurred a bit of conversation, which was helpful. In particular, Troy Farrell offered some very sound observations, including that printed barcodes...
If Costco keeps a record in their database of every item I’ve ever bought and when, why can’t I keep my own database of that information? For only my own purchases, of course, not yours. Mainly it’s because I don’t have an underage, underpaid...
