Related Clues:

• Music schools' offerings
• Message via thumbs
• Message with emojis, perhaps
• Former spouse in race to send message
• Printed passage
• Galaxy message
• Send message
• Message found in short extract
• "LOL" or "OMG"
• Type with one's thumbs
• Be all thumbs?
• Do a driver's 15-Across
• One might include an emoji
• Something to cut and paste
• All-thumbs message, often