Hello,
Your offer caught my eye fairly quickly. The topics you wish your freelancer to write about are great and I would love to collaborate with you.
First off, however, I am vegan and although I want to write food articles - cooking, recipes, health, and so on - I will write only if the content can be entirely plant-based.
That being said, I also enjoy writing about weight loss, dieting, alternative medicine, how to prevent illnesses, aromatherapy, healing essential oils, and other relatid topics.
As for your question, youtube was founded by (yes, I know you didn't ask for the names - it's my bonus answer) Steve Chen, Chad Hurley and Jawed Karim in a garage in Menlo Park, California, in 2005.
I am fine with the pay rate and the copyright agreement.
Please contact me if you have any questions!