K.K.R., Blackstone and TPG Private Equity Firms Agree to Settle Lawsuit on Collusion (New York Times: DealBook)
One of the deals in which collusion was alleged was the 2005 $11.3 billion LBO of SunGard
Data Systems.

Amazon starts same-day delivery in Philly (Philly.com)

Is Jive Software caught between a rock and a hard place? (Gigaom)