Information collected on nanotodo.com. nanotodo.com collects the information that you give to it. As part of the registration process, that includes your email address and the name of the list you are using ("Registration Data"). When using nanotodo.com, you may also submit tasks and other data such as list titles that are part of your to do list on nanotodo.com ("List Data").
Paid user data is not used by nanotodo.com. However, as noted in the Terms of Service, you should still not put very private information (social security, credit card, or bank account numbers, etc.) on nanotodo.com. Although there is reasonable security via the password protection, this is a site for to-do lists, not secret or senstive information. So don't put that kind of information here.
nanotodo.com may use your Registration Data to communicate with you about service updates, upgrades, changes, outages, and the like. nanotodo.com will not sell or give away your email address to anyone else.
nanotodo.com uses Google Analytics and Google Adwords analysis to track anonymous user data to determine whether Google AdWords result in visitors coming to teh site, and what visitors do when they arrive on the site.