This, in addition to being considered in all respects a User generated content (or Instagram UGC) can transform into a real marketing tool , totally free, for the tagged company. The same users who will see the content, that is, the people who follow you on Instagram, due to the social proof will feel motivated to rely on the same company to make a purchase. All this happens because Instagram UGC, especially if they are free and spontaneous, are considered more reliable than the promotional messages in themselves launched by companies.