He is best known for founding Engrade, a Santa Monica-based education technology startup.
[2] In 2006, Mr Holt founded SocialMeter, the first social media analytics service.
[4] In 2007, Mr Holt pioneered the new field of viral video analytics, patenting[5] a method for determining Internet video viewing time.
Mr. Holt founded Vidmeter, an online video analytics platform, later acquired by Visible Measures in January 2008.
[6][7][8][9][10][11] In 2020, Mr. Holt was issued a patent entitled Hyperpiler.