According to the information provided on the DivestOS website (source: https://divestos.org/pages/faq), microG only contacts Google servers if specific options are enabled. This means that certain features or functionalities may require communication with Google servers, but it is not a continuous or automatic process.

As for /e/, it does not include unique identifiers per update call. However, it does collect your IP address when you initiate an update.

Additionally, when using the network location provider feature, your approximate location may be shared with Mozilla. However, you have the option to easily disable this feature if you prefer not to share your location.

It’s important to note that /e/ foundation is a non-profit organization and does not engage in any advertising business. They have no company to sell any data to.