I reported previously (Aug 2018) on Israel’s Metaflow and its Lumen respiratory metabolism tracking device that helps users reach fitness goals. Its runaway crowdfunding success achieved sales of 11,000 devices worth $2.3 million. Metaflow has just raised another $8.5 million.

https://www.calcalistech.com/ctech/articles/0,7340,L-3770448,00.html