9 ms·
That was a confusing point in the article for me. I thought it meant that people doing mental math would tip on average $1 more than a computed option.
by bitwidget 5y ago
That was a confusing point in the article for me. I thought it meant that people doing mental math would tip on average $1 more than a computed option.
- thebean11 5y agoOh you may be right..the article just dropped that number with no evidence or explanation, who knows..