9Do serves real businesses and advertisers across many industries. This page highlights a few notable names running campaigns on the platform — the list grows over time.

HungKings — Education (learning chess)

HungKings is an online chess-learning platform where more than 25 Professors teach live, over the internet, alongside your child. 9Do works with HungKings in an advertising & user-acquisition role: pay-for-performance campaigns help HungKings reach the right parents and interested learners — 9Do contributors do real work (referrals, lead generation, surveys…) and are rewarded only when results are verified.

Diagram

Item	Detail
Industry	Education — learning chess online
Highlight	25+ Professors online, teaching live alongside your child
9Do's role	Advertising & user acquisition, paid for performance (CPA/CPL)
How rewards work	Paid only for verified real results (valid leads/sign-ups)

Honesty boundary: scope, campaign format and concrete results vary by time and market. 9Do records and presents only real work and results, and never inflates figures.

Every advertiser on 9Do is a real source of work for contributors — and proof that the "pay for real results" model works in the real world, across many industries.