It was painful when we can't read or procude some document or audio or video in format that some people want. MS .doc is one of the example we don't exactly how to encode and decode .doc . Thus, someone try to use open standard for file format. Unfortunately, some open standards suck coz we can't use it freely. We may have to buy its document. However to buy document is not the most terrible. Some open standards are patent which means that we can't not use it freely without permission of its owner. By patent, free/open source software developers in some part of the world can't develope their encoders/decoders and distribute them freely.
MPEG4 is patent technology, isn't it? Is there any of its owners allow us to use MPEG4? IMHO, we should recognise other format that we are allowed to use - Theora ,for instance.
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Lets list all the "patent-safe" open data formats:
- video: Theora
- audio: Ogg
- still bitmap image: PNG
- still bitmap image (photo): JPG?
- still vector image: SVG?
- animate vector graphic: ?
- office documents: OpenDocument
anything else?
XMPP ( IETF draft ) for instance messaging
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