<span>This is target marketing. In this concept, the business or industry goes after certain segments of the overall market, forgoing other groups who may not take an interest in the products or services the company is selling. Dollar General, in this instance, is "targeting" those people who may not have as much money to spend on products as people who are more financially secure.</span>
Pros
1. You may need it for something
2. You may sell it later on for somebody else to use.
Cons
1. You may forget about buying it.
2. It may become useless to you later on.
Atmospheric objects moving toward the radar<span> produce a positive shift in frequency of the </span>radar<span> signal. Objects moving away from the </span>radar<span> produce a negative shift in frequency. </span>