Related Clues:

• Popular photo-sharing app, for short
• Many a Snapchat pic
• Many a smartphone photo
• Pic taken alone, or together (as the name doesn't suggest)
• Commercial prefix with -matic or -gram
• Arm's-length product?
• Shot with a stick?
• App with pics, familiarly
• Narcissistic portrait
• Many a Snapchat posting
• Pic from a stick
• Prefix for gram or Pot
• Arms-length photo
• Commercial lead-in to -gram or -matic
• Very quick, in brand names