Assumptions of features of the data:
available to anyone
formats are published at worst, open at best
"open" means not one organization/company or consortium controls the specification
process and final decisions argued in public, decisions published
**INCOMPLETE LIST**
minimum: downloadable zip files
ideal: API with uptime guarantee
how do you guarantee uptime? Does guaranteeing uptime make sense?
accuracy
precision
scrubbed for privacy
is a description of data removed noted for the record? Necessary?
Repositories
revisions? diffs?
distributed repositories? what about retraction? verification?
data marketplaces (e.g. SimpleGeo)? "Let the market decide."