In his undergraduate courses, Kirby has implemented Harvard Business School’s classroom rules: mandatory attendance, cold-calling, and a ban on electronics. The shift “actually focuses ...

The more original pictures you have ... as dictated by your CSS rules, rather than assuming it takes up the whole viewport width. Remember that this feature will work only on lazy-loaded images.

"For some people, simple rules like these help them stay on track. If drinking eight 8-ounce glasses of water a day helps someone hit their hydration goals, then it's a fine starting point.

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