Answer:
The development in technology.
Explanation:
It talks about the change in technology and how it's getting better.
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A colon suggests that there will be a list that will follow it. Using the words 'such as', 'for example', and 'including' in a sentence also directs the attention of the reader to a list. It will be redundant to use a colon after the word 'including' in a sentence.
AIDS and HIV are sexually transmitted diseases, caused through unprotected sexual behaviors. It requires exchange of bodily fluids to take place. Unequal Power relations, and social injustices have nothing to do with it.
