In the tech sector, surfing on water rather than just the web is catching on. More people than ever are hauling boards out to the Rockaways or Long Island ride the waves. As the popularity of the sport grows, so do the opportunities to network in wetsuits. Certain rules of etiquette apply. Hogging another surfer’s wave is bad form and can ruin business prospects. But it’s also a great way to escape the workday because, as one surfer said, no can reach you in the water.