Answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Pontiflex -  Pontiflex is a mobile advertising company based in Brooklyn NY. The company uses “Signup Ads” which enables businesses to get contact information of people interested in their products and offers. The ads which appear on mobile apps allow people to sign up with their email address without leaving the app. Advertisers pay only for valid signups.
Answer:
Company