About: http://webisa.webdatacommons.org/181782497

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It is a big market with competitors ranging from startups like Sproutkin to large e-retailers and publishers including Amazon, Scholastic, and non-profit Common Sense Media.
http://www.w3.org/ns/prov#wasQuotedFrom	venturebeat.com