 The company was acquired by Roche Diagnostics in 2007 for $140 million then closed down by Roche in 2013 after other approaches to sequencing rendered the underlying technology noncompetitive.In 2004, Rothberg founded RainDance Technologies, which used droplet-based microfluidics.RainDance was acquired in 2017 by Bio-Rad Laboratories, Inc. Rothberg also co-founded ClariFi, a company that sells software for hedge funds.