Microsoft famously backed the rival high-definition disc format, HD-DVD, and offered users the chance to buy an HD-DVD drive as an add-on for their Xbox 360.

微软曾高调支持与蓝光竞争的高清光盘格式hd - DVD，玩家可以选择购买一台HD - DVD光驱，作为他们的Xbox 360的附件。

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Mr.Rajoelina, a former disc jockey, led the military-backed movement that forced Mr.Ravalomanana to resign last March.

VOA: standard.2009.11.08

Sony and partner Phillips offered the MMCD (Multi-Media Compact Disc) format while the SD (Super Density) format was backed by Toshiba and Matsushita, among others.

BBC: NEWS | Technology | Q&A: Death of a format