Business 2.0's April cover date issue weighs in with three Wi-Fi or Wi-Fi-related stories: Hawaii sees unique uses among community networks, a great and interesting article about community Wi-Fi and its relatives in Hawaii and elsewhere that unfortunately includes a definition of parasitic networks that's incorrect; Apple's Wi-Fi bet changed an industry in an article about Apple's constant technical innovation; and Atheros, the first 802.11a chipset maker: a business that defied the stupid conventional wisdom of its time and bided its time, developed technology, and husbanded its VC money.