I've spoken to the team and Strands about OpenTaste - they are keen to maintain APML support at the core and pure APML as an import/export option from their platform.
Also there was talk about having the data covered by OpenTaste defined as APML extensions.
Chris
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Chris Saad
FaradayMedia - For Audiences of One
Particls - Are You Paying Attention?
Engagd - The Open Attention Platform
Media 2.0 Workgroup - Social, Democratic, Distributed
APML - Your Attention Profile
DataPortability - Connect, Control, Share, Remix