CTR allows advertisers to monitor the percentage of people who click on hyperlinks to advertisements from web pages. ROI is usually expressed as a percentage and is used for personal financial decisions and comparing profitability or investment efficiency. COI is a newer metric that measures a company's potential losses from not fully engaging with social media, emphasizing the need for online engagement.

1. Fantastic Four
Chapter 1
Key Terms
p.17.10-20

2. Click-Through Rate
(CTR)allows advertisers to monitor the percentage of people
visiting a web page who access a hypertext link to a
particular advertisement.

3. is usually expressed as a percentage and is typically used for personal
financial decisions, to compare a company's profitability or to compare the
efficiency of particular investments.
Return On Investment (ROI)

4. Cost of Ignoring
(COI)
A newer metric developed in
response to criticism of the lack of
social media. Also known as a
company's losses by forgoing giving
full attention to its social media
outlets. Emphasizes the need for
online engagement.

5. Hardware- the changing of
technological devices. Tools,
implements, and other items used
in home life and activities. Ex -
Gardening
Software- a programs and other
operating information used by a
computer. It is also an active and
continuous change throughout time.