Use the context of the commercial (e.g., what channel it's played on) to figure out who the advertisers are trying to persuade. This will help you determine what sorts of beliefs or emotions the commercial is meant to appeal to. For example, if the commercial appears on a TV channel that mainly shows children's programming, then you can deduce that the advertisers are trying to appeal to children or maybe the parents of young children. If you see a commercial in a movie theater, you may be able to determine its target audience based on the nature of the movie. For example, commercials that appear before R-rated movies are probably intended for adult audiences. Advertisers want their commercials to be eye-catching as well as persuasive. Look for ways that commercials try to reel you in, such as flashy visuals or special effects. How a commercial seeks to grab your attention can also say a lot about its target audience. For example, a commercial that uses explosive special effects may be aimed at teenagers and young adults. Advertisers don't just want their commercial to grab your attention; they also want you to remember it. Consider how their attention-grabbing techniques are meant to stick in your mind and influence your view of a product over the long term. The ultimate goal of any commercial is to shape the way you feel about a product or service. Examine the mood of the commercial and how that mood works to shape your feelings towards the commercial's product. For example, a commercial might prominently feature upbeat music, smiling faces, and sunny weather to create a generally happy feeling that you then direct towards the product the commercial is advertising. Advertisers will usually try to make commercials that put their product in a positive light. Determining how they go about doing this will also reveal what unspoken beliefs or values the commercial is attempting to appeal to. Commercials may use music to subtly influence your emotional reaction to the product being advertised or use a jingle to make the commercial more memorable. For instance, may accompany depictions of a generic product with sad music to make you feel that products other than the one being advertised are not as good. Ask yourself if your feeling towards the commercial would change if it used a particular genre of music versus another, then think about why different music styles elicit different responses from you. Advertisers make very deliberate choices when it comes to hiring actors to star in commercials. Examine the age, race, and gender of the actor(s) to determine what sort of response the advertisers are hoping to get from their audience. For example, if a commercial pairs a particular beer brand with women in bikinis, the advertisers may be trying to appeal to teenage and adult men through sex appeal. Think about why an actor or actors of a certain race or gender were selected, and ask yourself if the perception of the product would change if different actors were used in the commercial. This may indicate certain biases or subconscious motives at work in the ad. Nearly all commercials feature talking, either from actors starring in the commercial or through a voice-over. Examine the specific words that are featured in the commercial to see how they are being used to appeal to the audience's emotions. If you're analyzing one or more commercials for a marketing class, you may find that certain words are used more frequently than others. For example, words like "tasty" and "sensational" are commonly used in ads because they tend to make products seem more desirable. Pay particular attention to words that aren't used to directly describe the product, and think about why those words have been included in the commercial. If words aren't overtly being used to inform the audience, they're being used to covertly influence viewers.
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One-sentence summary -- Ascertain who the target audience of the commercial is. Examine how the commercial tries to get your attention. Determine what sort of mood the advertisement seeks to create. Listen to the soundtrack and ask how it affects your reaction. Consider how the actors chosen to star in the commercial influence you. Analyze the language used in the ad.

During the drying process, water bleeds from inside the concrete and settles on top, making a sheen. When this layer evaporates, it indicates that the top layer of concrete is durable enough to resist surface damage. The evaporation process should take about an hour, but monitor the concrete for the right time to begin curing. When the surface water evaporates, then begin the process. A fabric sheet traps water and keeps the concrete moist. Fabrics like burlap and cotton are best. Normal sheets are acceptable as well if you don't have other fabrics. Measure the concrete area to see how much fabric you need, and get a sheet that will cover the whole thing. You can also use multiple sheets for larger slabs. As long as the concrete is covered, it doesn't matter how many you use. Soak the fabric with clean water before placing it down. This removes any solvents or contaminants that could stain the concrete. Find a light-colored fabric if you can, because this reflects the sunlight better than a dark color. Once the concrete is strong enough, unroll the fabric over the entire surface. Make sure all the concrete is covered, including the edges and sides if the concrete is raised. Stand back and look around the perimeter to make sure no concrete is visible. Cover any areas that are still showing. Be careful not to step on the concrete while you do this. It's still not strong enough to support weight. Although the sheet may already be wet from when you rinsed it off, re-wet it so As soon as you lay the sheet down, hose it down completely with water. Continue watering until the entire sheet is wet. Don't spray so much that water pools on the surface. Just enough to wet the entire sheet will work. Using a sprinkler can also work. Place the sprinkler on the center of the concrete if you can reach without stepping on it and let the sprinkler run. If you can't reach the center of the concrete, place the sprinkler on the edge and angle it inward instead. Leave the sprinkler running until the sheet is completely wet. Cover all the fabric and don't let any parts stick out. This covering locks in moisture and helps the curing process. Use light or transparent plastic for temperatures above 60F (16C). Use dark-colored plastic for temperatures below 60F (16C) to absorb more sunlight. Place buckets or similar heavy objects on each corner of the plastic, beyond the concrete edge, to keep it from blowing away. Using a plastic sheet is not a requirement, but it keeps moisture in more efficiently than the fabric alone. If you don't have a plastic sheet, take extra care to keep the fabric sheet wet constantly. Monitor the sheet and re-wet it any time it's drying out. Peel off the plastic, spray the fabric down, then replace the plastic to keep the moisture in. Recheck the fabric multiple times per day for 7 straight days. If you're not using a plastic sheet, the fabric may need rewetting as many as 10 times a day, depending on the temperature. Check the fabric as often as you can and wet it whenever it's drying out. Keeping the concrete constantly wet for 7 days completes the wet-curing process. Once that time passes, peel off the plastic and fabric to finish the job. Remember that at this point, the concrete is still not strong enough to support heavy weights. If the concrete is in your driveway, wait another week before driving your car on it.
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One-sentence summary --
Wait until the water sheen evaporates from the concrete surface. Get a fabric sheet that will cover the entire concrete slab. Cover the concrete with the fabric. Hose the sheet down with water to soak it. Spread a plastic sheet over the fabric to lock moisture in. Re-wet the fabric sheet every day for 7 days. Remove the covering after 7 days.