TODO list creation and storage
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|Archiving status||Not saved yet|
Wunderlist helps people make and store TODO lists. Started in 2010, it has over billion TODO entries currently. In June 2015, it was bought by Microsoft.
An example of a list that could be archived is: https://www.wunderlist.com/list/134854626
Their FAQ about exporting data is: https://support.wunderlist.com/customer/portal/articles/1183757-how-do-i-backup-export-and-import-my-data-