The mobility of the platform allows for experiments on learning and relearning. Steele spent 2.5 months in the hospital relearning how to walk and talk. After relearning to walk he suffered a relapse of the disease in late 2011. Humans can effortlessly change the focus from object to object without requiring relearning. This version required much relearning for users of older Cubase versions. The process of relearning how to walk is generally facilitated by physical therapists, or physiotherapists. The Ubykh themselves have shown interest in relearning their language. He got a nylon string guitar and started relearning the instrument. There are several known cases of feral children relearning language, the most well-known is Victor. Relearning required to complete work is waste.