NPR's Anne Garrels sent an audio post card from Baghdad's Camp Victory.

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Somehow, though, MSI squeezed in an Ethernet jack and full-sized HDMI socket, along with two USB 3.0 connections, an audio port and a memory card reader, tucked around back.

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Another player in this space is Square, which offers a tiny card reader that attaches to the audio jack on an Android, iPhone, iPad or iPod Touch and reads a card.

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It also includes an audio cable you can connect to your sound card so you can listen to music on the CD-R drive while using your CD-ROM for other tasks.

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Or a signed signature card (if you have an e-book or audio-book)?

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