Mobile China Phone Number List marketing firms set up multiple ways of getting people to opt-in to their marketing campaigns through surveys, various offers and other promotional schemes. People register their preferences with the marketing firms and thus opt-in to receive short messages or China Phone Number List calls from the marketing partners. When a marketing firm markets their services to cell China Phone Number List owners they need to get the subscriber's permission to call them. This is achieved through offers, such as freebies or free tickets, lucky draws, free China Phone Number List top-ups and the likes. Subscribers are then put into categories defined by age, gender, occupation, geographical location, what products they are likely to buy in the next two years or more, and so on. The marketing company will then send out advertisements and may even make calls to the subscriber on behalf of the principal company, or may sell the list of opt-in subscribers to the principal itself.

Statistics reveal when it comes to using text messages by cell China Phone Number List owners all over the world, Russia is the leader with 88 percent of subscribers using SMS. Switzerland comes a close second with 85 percent of subscribers preferring to SMS instead of making calls. Italy ranks third at 78 percent; Spain is fourth, where 76 percent of subscribers choose SMS over making calls. It is surprising that China is at 6th place with 72 percent preferring to use SMS and India at 7th place with 63 percent of mobile owners preferring to use SMS. However, with these two being the largest populations on Earth, these numbers can be very attractive to cell China Phone Number List marketing companies.