eMarketer, Inc. provides marketing insight and media research, analysis and consultancy services. It serves companies, advertisers, media companies, and digital agencies. The firm provides a platform for information on consumer behavior trends and for trusted data on spending, marketing strategies, and tactics. It also offers information on Internet advertising, social media, online video, search, mobile, email, consumer media usage, online demographic information, and ecommerce. The company was founded by Geoffrey Ramsey, Sam Alfstad, and Terry Chabrowe in 1996 and is headquartered in New York, NY.