plone.phonehome is a Plone product that provides anonymous usage staticstics.
A check-in call is made during Zope startup. If the list of installed packages has changed since the previous check-in, that list of packages will be submitted.
To install plone.phonehome, add it to the eggs list in your buildout.cfg. ZCML configuration will be automatically loaded via a z3c.autoinclude entry point.
The http://plonephonehome.appspot.com application provides a query method which will return the number of reported instances using the provided package and version. A query call might look something like:
- Don't check in when running in Zope debug mode. [esteele]