You can choose any company or organization that you would like to design for. Since these are all web graphics, high resolution logos aren’t nearly as necessary as they would be for a print publication. In fact, you may find that, in the context of social media, there isn’t a significant need for a logo as the brand marking probably already exists somewhere on their social media page. That said, if its a major brand, a good place to look for high resolution logos is a website called Brands of the World. Note: If you are interested in an extra credit opportunity, you’ll want to pick someone that you are more likely to be able to contact after the project is complete.
Once you've decided on an organization, submit their logo to complete the assignment.
Can't change a rubric once you've started using it.