The investment firm is known for its $200 billion holdings in the Chinese tech giant Tencent. This acquisition is one of the biggest in Prosus’ portfolio. [Read: This dude drove an EV from the Netherlands to New Zealand — here are his 3 top road trip tips] US-based Stack Overflow was established in 2008, and it quickly became home for developers and students who were trying to learn more about programming. The company says that it gets more than 100 million visitors a month. Joel Spolsky, a co-founder of Stack Overflow, noted on his blog that the company will remain independent operationally:  Prosus said that while most of the developer community company’s Teams products are used by US-based businesses, it plans to expand them in developing countries such as India and Brazil. You can read more about the announcement here.