If these are random blogs you've signed up for, it probably won't matter too much if someone is able to log in as you. But if you used the same password for your banking you'll probably want to change it.
Honestly, I don't understand this rebranding. Are they making things other than banking simple? I love the idea of making banking more simple and easier, and that's why I thought their previous name, BankSimple, was better. Can someone help me understand this?
Unless I'm misreading something, this has prompted the competition to work with a different material (some kind of fiberglass). So even though the competition can't use the same material they have an alternative that is cheaper and readily available. I don't see the problem.