What is the relationship between Twitter and Internet in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Share on Facebook Share on Twitter Share on WhatsApp Share on LinkedIn Share on Reddit Share on Google+ E-mail Share on Twitter Share on WhatsApp ComScore Inc., the Internet researcher, agreed to buy Rentrak Corp. in an all-stock merger valued at more than $800 million, combining two media-monitoring companies to create a more formidable rival to Nielsen.

Answer: industry