Related Clues:

• Write on a BlackBerry, maybe
• Certain phone message
• Send a quick message, perhaps
• Contact via cell phone, perhaps
• Not poetry
• Visual phone message
• Communicate with without speaking
• Essayist's output
• Write by the phone
• 'Where u @?' missive, e.g.
• Blowhard's delivery
• Communication that might include 'OMG' and 'TTYL'
• Pupil's book
• Write to on a cell phone
• Ordinary talk