That package includes its mobile application development platform Fabric, the Crashlytics crash-reporting platform, mobile app analytics tool Answers, SMS login system Digits, and development automation system Fastlane. Does the sale indicate that Twitter will sell itself off in bits and pieces instead of as a whole company? Or does it mean that Twitter is merely streamlining its business by dumping its non-core assets? Let’s take a closer look at Twitter and Google’s plans to decide.