Social media sites can be used commercially for advertising, viral marketing, and collecting product/service reviews. Advertising involves promoting brands or products on social media. Viral marketing uses social sharing to spread marketing content widely. Reviews allow customers to share opinions of products and services on social platforms.
2. Investigate commercial uses
Look at specific social media websites, describe each
of the following and illustrate with screenshots if
appropriate:
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

advertising
viral marketing
product/service reviews