Utilize the input text as a context reference, choose the right relationship between Twitter and Internet from the options. Options: 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