Founded in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (known as "a16z") is a venture capital firm in Silicon Valley, California, that backs bold entrepreneurs building the future through technology. We are stage agnostic: We invest in seed to late-stage technology companies, across the consumer, enterprise, bio/healthcare, crypto, and fintech spaces.

Scratch is a high-level, block-based visual programming language and website aimed primarily at children as an educational tool, with a target audience of ages 8 to 16. Users on the site can create projects on the website using a block-like interface.

Amazon.com, Inc., is an American multinational technology company based in Seattle, Washington, that focuses on e-commerce, cloud computing, digital streaming, and artificial intelligence.