Yes how many times it is run, duration of the process, system specs, which user, language and much more.
This information (probably json format) can for example be send out via mail or stored in a database (via external script).
Of course the privacy laws are ruling. In V-Packer we could show an license/privacy agreement form which the end-user can accept or decline.
This feature is still in concept fase so please don't hesitate to give suggestions and/or remarks.
About Steam. There is no deadline but how faster and more votes V-Packer gets the chance will grow that it will be available on Steam.
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