One difference is that Seagate provides a data store and Twitpic doesn't provide a data store, it provides a service. It's not even certain that Twitpic kept y

One difference is that Seagate provides a data store and Twitpic doesn't provide a data store, it provides a service. It's not even certain that Twitpic kept your original photo or artwork. If you uploaded a 4000 x 3000-pixel image, it reduced it to 600 pixels wide for posting inline on Twitter. Did you actually use it?