https://www.google.com/search?q=Business-software+company+Yammer+Inc.+has+agreed+to+sell+itself+to+Microsoft+Corp.+for+more+than+%241+billion%2C+according+to+a+

https://www.google.com/search?q=Business-software+company+Yammer+Inc.+has+agreed+to+sell+itself+to+Microsoft+Corp.+for+more+than+%241+billion%2C+according+to+a+person+familiar+the+matter https://www.google.com/search?q=Business-software+company+Ya... You can get in with the Google referrer.