Related Clues:

• Cellphone messages
• PC in-box contents
• Some strings of emojis
• Targets, as with junk mail
• Messages with emojis, often
• Messages often typed with thumbs
• Modern communications of a sort, in brief
• Cell exchanges
• Goo spread over a form of communication
• Contacts via Skype, maybe
• Online exchange, briefly
• Circuitry connectors
• Computer missives
• Electrical appliances have them
• Array around a surge protector