Knowing the history of Halloween can help many people decipher what to let their children take part in, and what to keep their children away from.

万圣节知史可以帮助许多人破译什么让孩子参与，什么使子女远离。

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For people like John, it can be awful to go from knowing where the danger is to having complete uncertainty over your future, not knowing if the service is going to keep you or not, not knowing what you are transitioning to, and knowing you are unprepared.

WHITEHOUSE: Champions of Change Blog

Knowing how to investigate investment managers and what issues to focus upon can keep the cost down.

FORBES: 10 Tips To Improve Family Office Investing

It's worth knowing what your trusted sites' URLs look like and keep an eye out for any changes to the site as you conduct your business.

BBC: Q&A: Phishing for your precious data