Social Media Research Channels

1) Select a real and specific example of research within three, separate social media channels try to find varying examples, e.g. political, B2C, non-profit. Provide either a link or screenshot for each example. Why did you select the examples? Cite the benefit of using each channel/method as well as any common concerns for each channel/method. 2) What do you think each is trying to research and why?  3) Are there any ethical concerns with these research examples? Why or why not?