This conversation revisits one of the pieces of work featured in part 1 of our Workplace Trends special (season 2, episode 9). We wanted to dig deeper into how they are using a technique called organisational network analysis (or ONA, for short) to 'reality mine' software use and workspace occupation data to measure the impact of ‘whether’, ‘how’ and ‘where’ we work together. Strong ties... weak ties... the role of the office? Trust us, it's revealing stuff!The Geeks are then joined by former guest Dr Dan Wakelin for the reflection section, and much discussion about doctoral floppy hats. Which are called 'velvet tams', incidentally...