Roberts cleverly pointed out that when you are first learning something, you are better off working alone than practicing with other people

But on the subject of obesity, she pointed out that consumers' lifestyles have changed significantly, with many people being more sedentary (久坐不動的) not least because more time is spent in front of computers.

The maker philosophy echoes old ideas advocated by John Dewey, Montessori, and even ancient Greek philosophers, as we pointed out recently.

Harvard economist Raj Chetty has pointed to economic and racial segregation, community density, the size of a community's middle class, the quality of schools, community religiosity, and family structure, which he calls the "single strongest correlate of

Steinberg pointed out that parental sharing on social media helps build communities, connect spread-out families, provide support and raise awareness around important social issues for which parents might be their children's only voice.