Could Facebook, a three-year-old social network and the hottest internet company of the year, soon be as passe as aol? aol, you will recall, was a popular but proprietary online service of the early 1990s. But then Netscape's browser made the web easily and widely available, and today aol is a lumbering unit of a media conglomerate. Another such "Netscape moment" may just have occurred in online social networks. On November 1st an alliance including Google, the most popular web-search engine, and several other firms announced a plan to make social networks as open as Netscape's browser made the web.
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