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  1. Copilot Answer
    Software

    The Hiptop operating system, referred to as DangerOS, is one of very few Java-based operating systems. Even the device drivers were developed in Java. A large part of DangerOS's architecture was used later to create the … See more

    2009 data service outage

    On October 2, 2009, Microsoft (the owner of Danger, Inc.) lost the ability to access user data for T-Mobile US Sidekick subscribers temporarily. Subscriber data loss included contacts, notes, calendars and photos. Some data … See more

    Danger cloud service discontinuation

    On February 28, 2011, Engadget reported Microsoft would discontinue Danger's cloud service on May 31, 2011. After that date, Sidekicks no longer had access to any data services, though voice service still functioned. … See more

    Usage by the deaf and hard-of-hearing

    When the Hiptop/T-Mobile Sidekick was initially released in late 2002, it was the only cellular phone to factory integrate an instant messaging client, specifically AOL Instant Messenger. This text-based communica… See more

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