To achieve massive success, you need to have a big new opportunity — one where the market size and gross margins intersect to create enormous potenti… - Reid Hoffman

Because traditional drilling techniques didn’t work on shale rock formations, the land above those formations had never been leased, which meant that when fracking made those hydrocarbons accessible for the first time, the market to acquire those mineral rights was completely wide open.

Instead, you need to learn as you go, solving more and more complex problems. And with luck, learning the answers to your questions just in time.

Zara takes only two weeks to develop a new product and get it into stores — the industry average is six months — and launches over ten thousand new designs per year, a rate several times that of competitors like H&M and Gap. Zara holds just six days of inventory, while rival H&M holds nearly ten times as much.