Microcontent Musings has a great checklist for what designates a Web 2.0 company.

• Structured Microcontent
• Data Outside
• Licences
• Feeds Galore
• Web API’s
• Desktop Integration
• Single Identity
• Micro Web
• Wild Microcontent

• Cross Platform - Ability to be accessed from any operating system and in all major web browsers (IE, Firefox, Safari)
• No downloadable application required - Additional functionality may be available with a desktop app but should not be required to ulilize the service.

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