Is data stored locally on the Sensedge or in the cloud? How much data can be stored?

Data can be stored both locally and in the cloud.

The Sensedge is also designed with a data buffer to ensure continuous data collection, with and without Internet connectivity. The Sensedge utilizes its 8GB of built-in memory storage to collect more than 50 million data points, or over 100 years of minute-by-minute readings.  Should the device disconnect from the Internet, all readings are stored in the data buffer, and automatically uploaded to the cloud once Internet connectivity is restored.