Spark from CBC Radio

Dan Misener on texting and over-the-top messaging. Kaj Hasselriis and Christian Grov on racism and online dating. Patrick Moran on the history of video games. Jason Scott on video game emulation. Jerome McDonough on preserving virtual worlds.

Nora Young interviews Viktor Mayer-Schönberger about his new book, Big Data: A Revolution That Will Transform How We Live, Work, and Think.

Zeynep Tufekci on the limits of crowdsourcing. Peter Rukavina, Jane Pyper, Carolyn Wood, and David O'Brien on the challenges of e-book lending. Michelle Parise on what noise annoys listeners most. Mike Goldsmith on his book Discord: The Story of Noise.

Mike Goldsmith, in his book "Discord: The Story of Noise", paints an historical picture of how and why external noise annoys us so MUCH. Mike argues that noise has been tied to technology and also to class because it’s tied up with ideas about progress.

Rick Smolan says that Big Data is like "watching the world come alive and develop a nervous system. It's unlike anything we've ever seen before." Nora Young interviews Rick about his book, The Human Face of Big Data

Veronica Simmonds on sound online. Martin Howard, Bill Buxton, Stan Liebowitz, Philip Steadman and Jared Spool on the QWERTY keyboard. Jonty Sharples and Dan Vogel on gestural computing.

Earlier today, Twitter launched its new #music service, which aims to help you find and listen to music, based on artists you follow, and what other Twitter users are listening to. Music writer and record company CEO Jay Frank weighs in.

Cliff Hacking on e-waste disposal in Canada. David Fleming on real estate and virtual staging. Julia Pagel on the Integrative Thinking technique in schools. Phil Gyford, Jason Scott, and Meg Ambrose on data longevity and web ephemerality.

Peter Rukavina, Jane Pyper, Carolyn Wood, and David O'Brien discuss e-book lending in public libraries.

Brian Lam on getting good gadgets. Gina Trapani and Anil Dash on keeping your tech gadgets. Ian Urbina on what happens to our unwanted gadgets. Kyle Wiens on learning to fix your tech.

Riding in smart, responsive elevators. Getting skeptical about the internet as a single, abstract force. And designing technologies that don't even exist yet!

David Murakami Wood on surveillance and tech. Roz Kavander on colour forecasting. Alice Marwick, Gary Flake, Stephanie Nolen, and Maciej Ceglowski on social sharing and the divide between public and private online.

A feature interview with Brian Lam about his website The Wirecutter, why he left Gizmodo, and what's wrong with tech writing in 2013.

Elah Feder on outsourcing willpower. Francesca Gino on decision making and getting sidetracked. Diana Kimball and Seb Lee-Delisle on creative coding. Jeff Atwood on creating civil discourse online.

Kate Hartman on wearable computing. JP Davidson on crowdworking. Rachel Botsman, Will Johnston, Lili Carvalho, and April Rinne on collaborative consumption.