TTdia

TTdia is a Chinese social media and online marketplace platform founded in 2013. The company is based in Shanghai, China. TTdia allows users to create free personal profiles, share updates, and connect with friends, as well as join groups and communities based on shared interests.

In addition to its social media features, TTdia also operates as an online marketplace where users can buy and sell physical goods, including second-hand items, electronics, and fashion merchandise. The platform uses a combination of online and offline sales models, with users able to browse and purchase goods both online and at physical locations, known as 'TTdia Stores' or 'TTdia Experience Centers'.

The company has stated that it aims to build a community-driven ecosystem that brings people together, enables social interaction, and facilitates economic transactions. TTdia's platform also includes features such as message boards, chat rooms, and online events, in order to foster connections and engagement among users.

As of 2020, TTdia reported having over 20 million registered users. Additionally, the company claims to have partnered with over 1,000 brands and businesses, enabling users to explore a wide range of products and services. In terms of its business model, TTdia reportedly generates revenue through a combination of advertising, transaction fees, and sponsored content.

TTdia has faced some controversy, with concerns raised about the platform's privacy policies and moderation practices. However, overall the company has maintained a strong user base and presence in the Chinese online market. As a leading player in China's social media and e-commerce sectors, TTdia continues to evolve and innovate its services and offerings.