If you're like me and own multipleblogs, it can be very tedious to modify them separately. With WP Pipeline, the whole thing is taken care of from the single login. I know! Why didn't they released this product sooner! When I knew about WP Pipeline, it was a no brainer - I went ahead and straight away purchased WP Pipeline.
I also found this very good WP Pipeline review from someone I always trust.
I forgot to mention, if you are looking for the official site then go to: WP-Pipeline.com