Yes, any person can do it. You do not forget that this will not only become a salary but a hobby.

Schoolchildren and students more often look for work on the Internet than retirees.

Will the agreement with advertisers for long-term cooperation?

It is very good that the project will use it own blockchain. It will make the platform more independent from the valation of other criptocurrencies.

It is done against double spending.

ZERO nodes have full control over local nodes and accounts. Each node collects transactions signed by local accounts, combines them into a message and then transmits it to the blockchain network. Nodes with conflicting messages (double spending) receive a penalty. If tasks are completed successfully, ZERO nodes receive a bonus after a certain period expires, for storing ZSCoin at the node. Messages

The  price of tokens will increase if more people use the platform and more order the advertising, because in the future it is planned completely to use tokens.The need for tokens will increase, therefore the price of the token will also increase.The platform already has 60,000 users

Do not quite understand about the hobby? Please explain your idea.

Activity on the platform then becomes a hobby, when a person will like to constantly study advertising and evaluate it.

Retired people will not go on about their emotions. Therefore, their assessments will be more adequate. But young people are better at understanding innovative technologies. Young people will leave truthful comments.

a very promising project hoping for good news from this project, hopefully for the future his project will run smoothly in accordance with the plan and will achieve maximum results