Engadget - RIM may be finally ready to move on to its platform-in-waiting, BB 10, but that's doesn't mean its current user base has been forgotten. In fact, Twitter's just announced a 4.0 update to its native BlackBerry app, bringing it mostly up to par in looks and functionality with existing Android and iOS offerings.
Airlines, Air France, KLM, and Ryanair no longer offer customer service support using Twitter's direct message functionality.
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Elon Musk has recently declared that Twitter is going to roll out the latest changes to its user interface in order to give a better experience to users.