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We're an open-access journal publishing rigorously peer-reviewed research from across the natural sciences, psychology, medicine and engineering.

Quora’s mission is to grow the world’s collective intelligence. We do this by connecting people and AI to share knowledge, collaborate, and solve problems together. By reducing friction in how intelligence is shared—publicly on Quora and privately on Poe—we’re building platforms that make knowledge more accessible and accelerate learning and progress for everyone. Quora is a global knowledge sharing platform with hundreds of millions of monthly unique visitors, connecting writers who have knowledge across millions of topics with a global audience of readers who want to learn from their collective experience. Poe aggregates access to the best models from many different AI companies in a single chat interface across all platforms, and enables creators to build and monetize applications that use these models. Visit quora.com/careers to browse open roles and apply online. Quora company blog: blog.quora.com Engineering blog: engineering.quora.com Design blog: design.quora.com Data blog: data.quora.com Recruiting blog: interviewingatquora.quora.com/ Intern blog: quorainterns.quora.com

We are the nonprofit organization that operates Wikipedia and the other Wikimedia free knowledge projects. We host a technology infrastructure that makes possible billions of monthly visits to Wikipedia. Since 2003, we have supported the hundreds of thousands of volunteer editors who edit, expand, and curate the Wikimedia projects. We equip these volunteers with the most up-to-date tools, ensure connections to Wikipedia are fast, safe, and private, and develop new technology and products to meet the demands of our readers and editors. We provide individuals and organizations around the world with funding to increase the knowledge on Wikipedia. We also undertake legal and advocacy efforts to protect people’s right to free knowledge. We are a charitable, not-for-profit organization that relies on donations. We receive donations from millions of individuals around the world, with an average donation of about $11. We also receive donations through institutional grants and gifts. We are a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California.