2. Use WhatsApp Stickers WhatsApp allows users to send themed stickers, including ones for special occasions. To use them: • Open a chat. • Tap the emoji icon > sticker icon.

Anyone heading to the airport this summer could use a simple trick to speed up their journey - including using one free sticker to try to make sure your luggage is first on the carousel at collection.

The rippling flag ‘I Voted’ sticker is a polling place staple. Janet Boudreau reflects on creating the iconic design and first seeing it in public.