Apparently, according to the iOS app developer, he "owns the trademark for the word “ToDo”"
As if the patent trolls haven't given us enough headaches, now we have trademark trolls"
Link to Original Source
We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).
Always try to do things in chronological order; it's less confusing that way.