Just spotted this on Instagram!
Hey Sydney! From Monday to Friday this week (26-30th April) Get 50% off brekkie when you spend $5 or more at select venues in 52, Martin Place Food Court. Simply order from a Participating Venue on Hey You between 06:00 AM - 10:30 AM to redeem the offer.
For T&C and participating venues: https://info.heyyou.com.au/blog/50offbrekkie2021