The document discusses the emergence of dominant designs in technology standards and mobile payments. It describes how in 2015 there was a battle among competing mobile payment systems, with Apple, Samsung and a joint venture between Google, AT&T, T-Mobile and Verizon developing systems based on Near Field Communication (NFC) technology. Industries often select a single dominant design for a technology due to increasing returns to adoption, where a technology becomes more valuable as more adopt it. This can create self-reinforcing network effects that reinforce the dominance of a technology.