context: How to make an espresso like starbucks
Grind your coffee beans.
Pour your ground coffee into the portafilter (the handled tool with a basket for holding grounds) that came with your machine.
A single shot is typically made with 1 ounce (2 tablespoons) of grounds.
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next sentence for the context: This is the quantity in a short or tall size starbucks beverage, unless you ask for more. A double shot is typically made with 2 ounces (4 tablespoons) of grounds.

context: How to reduce rising health care costs
Eat healthy and exercise regularly.
The most effective way to reduce your medical costs is to reduce your need for medical care. You should not avoid regular checkups and necessary care, of course, and many injuries, illnesses, and conditions are beyond your control.
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next sentence for the context: That said, many chronic medical conditions that incur significant expenses-diabetes, heart disease, some cancers-are often heavily influenced by lifestyle choices. One estimate indicated that if the u.s.

context: How to make your cell phone battery last longer
Turn the phone off.
Only do this if it's going to be for several hours; turning a phone on/off actually uses a massive amount of power itself. This will probably be the most effective and simple way of conserving your battery's power.
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next sentence for the context: Why? This will help conserve energy and also charge your phone. If you don't plan on answering the phone while you're sleeping or after business hours, just turn it off.

context: How to study computer science
Check out free online courses.
If you cannot or don't want to attend an undergraduate program in computer science, you'll be pleasantly surprised at the availability of free coursework online.
For example, you can sign up for computer science related courses on coursera.
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next sentence for the context:
You should also check out opencourseware from the massachusetts institute of technology. It is a goldmine of information for people who want to have access to computer science materials at an academic level without paying tuition.