To celebrate our 100th episode of the PlanningxChange podcast series we re-interview four of our previous guests. We ask them about their experiences with the podcast and what has happened in their professional sphere since their earlier interview. To begin with, Jess has a brief introduction where she explains the origins of PX and the subsequent journey over the past eight years. Our first guest is Chris Abery, one of Australia's leading retail planning analysts. Chris is at the consultancy Deep End Services https://www.deependservices.com.au Chris was our very first guest (PX1) on the podcast which was released on 7 December 2014. His podcast extra recommendation is 'get a dog'. His is named 'Freddie'. Our second guest is Liz Hui, an accoustic engineer who is at Marshall Day https://www.marshallday.com.au She is also a Planning Panels Victoria Member. Liz appeared in PX73 which was released on the 22nd December 2020. Her podcast extra recommendation is the Melbourne School of Design (MSD) Youtube channel where a video featuring Trevor Cox 'Soundscapes' should hopefully appear soon. The MSD Youtube channel is at https://www.youtube.com/@MelbourneSchoolofDesign-MSD Our third guest is Mark Sheppard, an urban design expert and author. Mark is at Kinetica https://www.kinetica.net.au/home/ He is also the President of VPELA, our major sponsor https://www.vpela.org.au Mark appeared in PX14 on the 10th December 2015. His podcast extra recommendation is 'Antifragile - Things That Gain from Disorder' by Nassim Nicholas Taleb. Our final guest is Nicola Smith, an urban planner who has her business Niche Planning Studio, which has offices in Melbourne and Perth. https://www.nicheplanningstudio.com.au Nicola appeared in PX12 which was released on the 30th October 2015. Her podcast extra recommendation is 'Love Island' https://en.wikipedia.org/wiki/Love_Island_Australia The edition finishes with some closing comments by Jess and Pete. Audio production by Jack Bavage. The episode was released on 14 December 2022.  PlanningxChange is proud to be a member of the Urban Broadcast Collective.