Particularly, however, some mobile social media networks add m-commerce functionalities to their applications. For instance, there is the case of the Facebook Marketplace where people can sell and purchase products through their mobile devices. Many e-commerce and m-commerce applications are also increasingly developed to interface with other applications such as mobile payment, banking, and ticketing applications so customers can easily pay or accept payments.[18][19] There is the case of Instagram, which in 2018 became open to merchants using the Shopify platform.[20]