iPod Touch
Used by 25 peoplesupport.apple.com ↗

“I keep an iPod Touch and a Windows box in the office, but most iPh?o[d|(ne)] software comes out for Android as well now.”
Clay Shirky Interview, Writer, teacher (NYU) · via Uses This 
“The other device I use a lot is my iPod Touch, which serves as my iPhone surrogate except with the delightful quality of not being a phone.”
Pippin Barr Interview, Game maker, writer, teacher · via Uses This 
“By my right hand is an iPod Touch (8-gig Retina-display model).”
Andrew Plotkin Interview, Hacker, IF Wizard · via Uses This 

“And a pile of iPod touches.”
Loren Brichter Interview, Mac/iPhone developer (Tweetie) · via Uses This 
“Mobile: An ailing Palm phone and iPod Touch.”
Jakob Nielsen Interview, Usability specialist (Nielsen Group) · via Uses This 
“I also have a first generation 8GB iPod touch that I use mainly for development.”
Steph Thirion Interview, Game developer (Eliss) · via Uses This 
“Almost permanently connected to it at the moment is a 16GB iPod Touch 2G which I use for all my iPhone development.”
James Thomson Interview, Mac developer (DragThing, PCalc) · via Uses This