Earlier quoted context omitted.
roughly, very roughly - 90%+ of the people on the 1 TB plan will likely use < 20 Gigabytes (at least over the next couple years), and probably 99% will use less than 100 gigabytes, whereas close to 100% of the people on the doublr plan will be using at least 1 Terabyte.
best explanation of their pricing structure yet. What's stopping people from creating multiple accounts and use flickr as a cloud backup system for free?
I would imagine, at that price point, it would drive people to use multiple accounts despite the irritation -- and that ultimately, because of that irritation, they might leave the service. Not a good situation for anyone.