You can see what is collected, and you can modify, disable, or re-enable the data collection system by using the Product Improvement dialog.
Open the Vibe Administration Console as the Admin user.
Click Product Improvement.
The data collection process runs for the first time when a Vibe server has been running for 24 hours. Thereafter, it runs weekly.
After the initial run, a View the information collected link displays in the dialog that lets you download the .json file created by the collection process.
To see the information collected, open the downloaded file in an application such as WordPad.