Looking at the image of 'Thumb zones', it's interesting to note that on a lot of apps (especially ones that deal with messaging), the submit/send button is alwa

Looking at the image of 'Thumb zones', it's interesting to note that on a lot of apps (especially ones that deal with messaging), the submit/send button is always on the bottom right, which can be straining on the thumb. Interested to see UX where the send button is in the middle :)