For tiny changes, the whole process might be repeated several times per day. In fact, in the aggregate, IMVU makes about fifty changes to its product (on average) every single day. Just as with the Toyota Production System, the key to being able to operate this quickly is to check for defects immediately, thus preventing bigger problems later. For example, we had an extensive set of automated tests that assured that after every change our product still worked as designed.
Develop and try one feature at the time. But be careful to have a safety net
