# Technology’s Long Tail Transcript. Question 1

## Question

To prepare for this Discussion:

Review the video on technology’s long tail and select one of the graphs presented in the video.

Reflect on what the graph you selected shows, including what variables are on the x- and y-axis and what patterns are displayed on the graph. Be sure to consider all the key points as presented on the graph.

Think about two points on the graph you selected. Consider how you would write these points, as ordered pairs, and determine the slope between the two points. It is recommended that you pause the video to make it easier to identify two points.

Approximate the y-intercept of the graph you selected. If the y-intercept is not visible on your graph, select a reasonable value for it, and think about why you chose it.

Think about how you would write an equation for the line in the form of y=mx+b using the y-intercept (b) and slope (m), and how you would interpret the slope as a rate of change, including what it means in terms of change for both variables.

Consider a prediction you might make for the year 2025 on your graph, using the slope value as a rate of change, and think about whether or not you feel the prediction is reasonable. Why?

Click on the link below for Chris Anderson’s TED Talk, Technology’s Long Tail:

Anderson, C. (2004, February). Technology’s long tail [Video]. TED Conferences. https://www.ted.com/talks/chris_anderson_technology_s_long_tail

Note: The approximate length of this media piece is 14 minutes.

Technology’s Long Tail Transcript

With these thoughts in mind:

By Day 3

Post at least 2 paragraphs responding to the following prompts:

Describe the graph you selected from the video on technology’s long tail including:

What does the graph show?

What values are on the y- and x-axis?

What is the overall pattern displayed on the graph?

Be sure to mention all key points on the graph as presented.

Write the two points you selected as ordered pairs and determine the slope between these two points. Be sure to show the math you used to compute the slope value.

Identify the y-intercept of the graph you selected. If you selected a reasonable value for the y-intercept, explain why you chose that value, and use it to write an equation for the line in y=mx+b form.

Interpret the slope as a rate of change and explain what this means in terms of change in both variables.

Make a prediction for the year 2025, on your graph, using the slope value as a rate of change, and explain whether or not you feel the prediction is reasonable. Explain why.

## Solution

## Technology’s Long Tail Transcript

**Question 1**

The graph I am going to describe is DVD: Critical Price. The graph shows how the DVDs experienced reduced consumption from the year 1997 to 2003. Given that DVD was introduced in the mid-90s, it was quite expensive during that time, but after technological changes and introduction of things like Netflix, it saw the demand curve for the product go down (Chris Anderson, 4:26). Also, the graph has shown a fall in the average price of the DVD and a rise in the number of units sold.

**Question 2**

The general representation of the graph illustrates the distribution of the products best on their value. Thus, for example, the X-axis shows the value of DVDs from 1997 to 2003 while the y-axis shows the value of dollars from which the DVD fell between the years 1998 and 2003. Additionally, in most cases, the market distribution illustrates sales as the dependent variable of the y-axis and any data set as the independent variable of the x-axis.

**Question 3 **

Based on the graph display, the overall pattern shows the transitions between the falling and rising trend of the graph, signaled by looking at the average price and unit sold. From the graph, the overall pattern signals changes in the trend of both the average price and unit sold as it shows how the average price of DVD has been falling, yet the unit sold is taking of making it trend up.

**Question 4**

The two points I used to determine the slope are selected from the graphical line of average price. The points were (1998, $400) and (2002, $200), which I used to get the slope value through the formula of m=(y2-y1)/(X2-X1) or, in simple terms, change in the value of y over change in the value of x. Therefore, to get the slope value, you simplify the two.

**Question 5**

The y-intercept shows the point where the graph crosses the y-axis at this point; the x-coordinate is zero. Therefore, I choose the y-intercept to be 200 because the slope is constant, and the x-coordinate is also constant.

**Question 6 **

In terms of interpreting the slope as a rate of change, this means that in the case of a negative slope. For instance, in the cases of an average value of DVD: Critical Price, the two variables are related negatively, which means when x increases, y decreases. However, for the graph of unit sold, it shows the positive slope, which shows that the two variables are related positively as when x increases, the same happens to why.

**Question 7**

I think my prediction is reasonable as, by 2025, the average price of DVDs will be low given that the world is changing digital. However, the unit sold will continue getting higher as the product would be used in adverts and other platforms.

**References**

Anon, Available at: https://www.ted.com/talks/chris_anderson_technology_s_long_tail#t-261842 [Accessed August 2, 2021].

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