The print version of October\u2019s Business 2.0 contains a fancy foldout section on the hottest technologies of 2004 (page 107). The magazine selects a "technology of the year" and seven runners-up (including one "comeback": Bluetooth). This year\u2019s big winner? Internet telephony. \n\n\n\nTo quote The Hottest Technologies of 2004: "This year\u2019s winner is snuffing out business models like so many sputtering candles, rewiring the entire telecom industry." Internet telephony (or voice over IP\u2014VoIP) has been around for five years (here\u2019s what we said about it in 1998), so why is it now the hot ticket? Even though 22 percent of Americans have broadband connections, Business 2.0 points out that VoIP can be a win for corporate offices, "which are already replacing expensive, analog PBX boxes with cheap, digital IP-based ones."\n\n\n\nThe magazine\u2019s criteria for hottest technologies included ones that started changing the rules and attracting customers in the past 12 months; they weren\u2019t necessarily invented this year, but they "arrived." (Runners-up include stallite radio, open source databases, concept mapping, RNA interference, credit risk modeling, multicore processors, and, as stated, Bluetooth.) Do you agree with their choices? Is VoIP rocking your world?