Nowadays Social media is important, because everyone uses in communication is communication of today's popular can contact to communicate easily and quickly. But some people think he can live without social network
if you have a business or/and a product/service to sell then you need it for sure. Nowadays before buying anything, many people checking businesses via social media and requiring to monitor their reviews, fan/customer base.
So you must have it if you want to gain trust from your target audience. The other reason is you can not just open social media channels and ignore everything going on around you. For example If there is an action then you need to take an action too, if there is a comment go ahead reply them. Even if there is no comment or engagement from your audience then you need to find a way to trigger that engagement I use social media to keep in touch with my friends and clients, some of whom i would not be able to stay it contact with was it nor for social media.