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David Sacks, co-founder and CEO of Yammer, has set out to create a Facebook for cubicle workers.
B2BDavid O. SacksDavid SacksFacebookIPOITInternetPayPalSan FranciscoSilicon ValleyTechnologieWWWWebWeb 2.0Yammerbusinessonlinesocial networksocial networkingsoziales NetzwerktechnologyDavidSacksNKL5053
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