When you have claimed sensor ownership to your Ruuvi account, it is possible to share the sensor with friends or family. When sharing a sensor, the receiver will be notified by email. Note that the user will have access to all the sensor data, name, and background image.
When you share a sensor the used number of shares will be shown on Sensor Settings page under Share.
Sensors can only be shared by their owners in Ruuvi Cloud. Re-sharing sensors that have been shared to you is not possible.