Technology of the Year: Publish/Subscribe

A new breed of middleware vendors brought pub/sub messaging down to the desktop. With Kenamea and KnowNow, you can subscribe a spreadsheet cell to a topic that's managed out in the cloud. An event published to that topic -- such as an inventory update -- automatically updates the spreadsheet. It's true that you could do this kind of thing a decade ago, using NetDDE (Network Dynamic Data Exchange) on your Windows for Workgroups LAN. But pub/sub at Internet scale is far more compelling. [Full story at]

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