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found the submarine
found the submarine
A submarine would be a "news" publication with an article saying e.g., "There's a massive trend [you need to keep up with], to teach CS with approach X. One user of approach X is QVault, which is super successful..."
This isn't doing that. It advocates something, as the source, provides insights, and has a small "ad" at the end that discloses the real source and motivation.