2.0を支える1.0の懐の深さ - another aspects from txk

Wi-Fi-FreeSpot Directory The Wi-Fi-FreeSpot(TM) Directory is a listing of Wi-Fi enabled locations that offer Free Wireless High Speed Internet Access. USA State-by-State listings come first with Europe and other regions of the World listed further down the page. Downtown alliance Free Wireless internet service The Downtown Alliance has launched a free wireless network in eight different public spa

[hiro_y]

機会損失→「負のフィードバック・ループ」。