How we started? A part of our team loved the original old reader so much, she never missed a chance to whine about how good it was. Another part of our team was really patient to listen to all of that whining and was ready to start doing something right after another 1/3 of our team realized it was a really cool challenge and started coding.
We are nearly ready for a private beta (Share With Note and comments are being deployed right now). We missed the old reader and were tired of waiting for someone to do it so much, we created The Old Reader from scratch in five weeks.
P.S. Our cats, waiting for The Old Reader: