Salesforce.com spent $31.5 million on August 4 to acquire San Francisco-based call center software company InStranet. It's Salesforce.com's largest acquisition ever. Careful with the champagne, though.

InStranet went through its third round of funding way back in 2001, when it raised $14.7 million at a $50 million valuation in a round joined by Benchmark Capital. So it's not a huge exit. Then again, at least it's an exit. Salesforce.com will also report its second quarter earnings today. Analysts expect $260.56 million in revenues for a 47.6 percent year over year growth.

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