"effect on performance" isn't just about typing speed. If my arms start to hurt and I need to pause more often and for more type, it's also a negative. Oh, and

"effect on performance" isn't just about typing speed. If my arms start to hurt and I need to pause more often and for more type, it's also a negative. Oh, and ortholinear is really quick to get used to, and have improve hand comfort a lot for me.