Xobni provides software that aims to improve the functionality of your email by making it easy to search and discover all your contacts  even those who aren’t in your address book. According to the company  Xobni products like Smarter Inbox and Smarter Contacts let you search for everyone with whom you have exchanged emails, texts or calls.
 Yahoo said that it will integrate the newly acquired Xonbi’s technology into its communication products, including the mobile and PC versions of Yahoo Mail and instant messaging services.  Xobni said via their company blog post that It’s a big day here at Xobni. We’ve been acquired by Yahoo,  we are unpacking our boxes from San Francisco and settling in to the new Sunnyvale space at Yahoo! HQ.