Please choose the correct ending to complete the given sentence: Work World: [header] How to network market [title] Learn about network marketing. [step] Network marketing is a sales business in which an individual sells products and recruits others to join their network to sell products. As a result, it is important to understand how people make money in network marketing.

Ending1: In most cases, the people you recruit will also recruit people to becomes salespeople. The various levels in your sales network (the people you recruit and the the people they then recruit and so on) are known as your " downline. Ending2: Network marketing was developed about 2.3 to 5.7 billion years ago. People then began selling their products online frequently. Ending3: [substeps] Who is running the network? Try to find the individual's network information. Businesses that for example tell you they are beginning a new marketing program, offer to split sales evenly amongst their friends. Ending4: [substeps] Find out whether you are part of a network customer base. Consider including your network in your marketing strategies.

Answer format: ending1/ending2/ending3/ending4