Stage one.

• Build a good product.
• Have it do one thing and do it well.
• Cut all features that are not critical to the central idea

Stage two.

• Take your product and make it great.
• Do the things you wanted to do but didn’t have time to do during stage one.
• Address the top customer issues

Stage three

• Expand and Integrate
• Add features that allow your product to play well with other products
• Your product is not the center of the universe but by integrating with other products you move a step closer to the center.

Stage four

• Allow developers to integrate and further expand your product
• This makes your product more valuable by allowing people to build on your foundation

Step five

• Spin off a related product
• It may have aspects of your core idea but it’ll have a different spin, angle, target, customer
• Continue alternating minor and major revisions
• Repeat