The arrival of social networks has changed people's behavior, now people spend more time on social networks, so to think that you can do a business without using social networks is absurd.
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Social networks are here to stay, it's not just for young people, they are also used to do good business and make your brand known. It is a very economical means, the cost of public investment is very low. If you are starting a business social networks is a great way to know your brand.
People spend more time on social networks, compared to television because they can choose what they want to see, generating an acceleration to the sales process. If you create a constant and correct presence in social networks, you have a high chance that you will know your product in a faster way.
Social networks allow you to loyalty to your customers, once the customer has already tried your product you can have promotions and remind you that it exists so that you return to buy, because through them you can keep in touch with your customers by offering you for example promotions and offers as part of the strategy.