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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Ajit Varma, Head of Firefox, spoke to Mashable about the news when the product was first announced, framing it as an issue of user choice.

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Features of GrammarlyGrammarly detects basic to advance grammatical errors and also help you why this is an error and suggest to you how you can improve it