The document discusses various aids to trade, addressing specific hindrances such as geographical distance, limited producers, seasonality of products, financial gaps, risks, and the need for consumer awareness, which are mitigated by transport, warehousing, banks, insurance, and advertising. It emphasizes the significant role of social media in modern marketing, highlighting platforms like Facebook, Twitter, and LinkedIn as tools for businesses to connect with customers and enhance brand presence. Additionally, it provides insights into how companies like Maruti Suzuki and Nokia leverage social media for marketing and consumer engagement.