Déjà vu: SAP buys SuccessFactors, customers feel in danger

I'm always surprised at how large companies are taking their IT politics too easily, and then are surprised by what happens. Today, Josh Bersin (of Bersin & Associates, a great guy to follow: @Josh_Bersin) published an article on the plans by SAP to buy SuccessFactors (probably the leader in employees performance management software, at least in terms of completeness), and the fact that some customer of Su