Social Media Wrap: Sushi Sushi competes in bubble tea; Burgertory launches Acai desserts; Starbucks adds new Tiramisu drink on menu

Find out what QSRs have been up to on social media this week.

Sushi Sushi to compete in the bubble tea market.

Burgertory launches Acai desserts in its Yagoona.

New Starbucks Tiramisu drink hits Australia.