With 2 billion monthly active users and over 500 million daily active users, competition on Instagram is huge. Which is also why paid engagement is more popular than ever. Celebrities, big businesses, ...

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Spin-polarized electron beams are important for fundamental physics, but they could only be generated using DC electron guns. Now, a radiofrequency electron gun for polarized electrons has been ...

This paper describes an emerging literature in economics that aims to merge macro issues of structural change and growth with micro data and analysis. This literature focuses on a set of related ...

Having conversations with people who have different perspectives can be a great opportunity to learn and grow, especially in college when you’re developing your own opinions. By listening and ...