Social Media Wrap: Costa Coffee partners with Jet2; LEON holds pedal-powered event at GYMBOX; PizzaExpress launches new in-app promo

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

Costa Coffee partners with low-cost British carrier Jet2.

LEON launched its new protein shake with a pedal-powered event at GYMBOX.

Pizza Express shares new in-app promo for free Dough Balls.