OLX is an Indian e-commerce company that represents the customer to customer (C2C) model. It allows for easy posting of ads with photos and videos. Users can control their buying and selling activities through the 'My OLX' section. Key processes include the C2C process where customers meet to sell products, buying items by contacting sellers, and selling by posting listings. OLX provides advantages over physical markets by easily posting rich ad designs with media and regulating transactions through My OLX. The site could be improved by adding personalized emails, live chat, and more seller information.