Final answer:
The author supports his belief in emoticons being an acceptable form of communication by presenting logical arguments.
Step-by-step explanation:
The author supports his belief in emoticons being an acceptable form of communication by presenting logical arguments. Logical evidence, such as quantitative data and facts, can strengthen the impact of an argument and make it more convincing. By using logical appeals, the author provides a rationale for why emoticons can be considered an effective means of communication.