I do occasionally, but it is awkward and attracts odd looks and/or eyerolls. What I really want is subvocalized commands via implant like in Orson Scott Card's

I do occasionally, but it is awkward and attracts odd looks and/or eyerolls. What I really want is subvocalized commands via implant like in Orson Scott Card's Speaker for the Dead, but I don't see that happening for at least a decade with the current state of voice recognition tech.