And older people can be complacent or change-averse, or make simple things unnecessarily complex.

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Wong: These simple things can make a massive difference.

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Simple and often inexpensive things can make all the difference.

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Simple things like locking the power windows and using a booster seat can make cars much safer for children nationwide.

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As with many simple-seeming things on the Web, it took a lot of work to make Instant Previews work.

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The simple answer is that they have not enjoyed enough success to realize that giving back will make things better for everyone.

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