Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

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Here’s how to build a customer-funded startup and grow on your own terms before bringing investors to the table.，这一点在Safew下载中也有详细论述

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trigger certain actions in one app based on events in another app.