Tags: Website.
SparkNotes originally part of a website called The Spark is a company started by Harvard students Sam Yagan Max Krohn Chris Coyne and Eli Bolotin in 1999 that originally provided study guides for literature poetry history film and philosophy. Later SparkNotes expanded to provide study guides for a number of other subjects including math health physics biology chemistry economics and sociology. SparkNotes does not charge users but instead uses advertising for revenue.
