Online and offline, our world is a hugely complex tangle of modern creations and the legacy of the past. As we build upon the shoulders of times gone by, we are in a constant process of assessing what is still useful, what needs to be adapted and what no longer serves us. Aleks looks at the process of salvaging value from the world around us, looking at the pleasure and pain of sifting through the past, the pressures to preserve, how value can evolve over time, the allure of creating from scratch in the face of complex legacy systems and structures, and how treasure is often in the eye of the beholder. Michael Feathers is a software architect and author of Working Effectively with Legacy Code. Over the years, he advised many different companies on the strategic reuse and modernisation of their legacy code and systems. He is currently the Chief Architect for Globant, a global organisation helping companies transform their businesses. Dr James Hunter is a maritime archeologist and curator at the Australian National Maritime Museum. He is also an avid diver. James has excavated sixteenth century Spanish galleons, wrecks from the US civil war and many vessels sunk in World wars. Kate Macdonald is the director of Handheld Press, which republishes texts from the 1920s, 30s and 40s. She has a particular interest in uncovering works that explore lives lived by women, LGBTQ+ and people with physical impairments. Founder of the urban planning consultancy Zvidsky Agency in Ukraine, Alexander Shevchenko has a background in civil engineering and spatial and urban planning. Since 2022, he has set up the non-governmental organisation Restart Ukraine, which supports Ukrainian municipalities with recovery from the impact of 2014 and 2022 conflicts and with tackling urban regeneration fit for modern society’s needs.