Below are links to all the newsletters that I have written over the years on Mailchimp at twowgo. The content of the newsletter usually involves campaign promotion, product promotion, product review and other marketing materials.
https://us19.campaign-archive.com/home/?u=fe611b6c873d4f46c0f4db76c&id=222e453c54
https://us19.campaign-archive.com/home/?u=fe611b6c873d4f46c0f4db76c&id=13afea9bb0