Rotterdam designer Dan Roosgarde explores how technology can be used to improve our lives. His Smog Free tower uses positive ionisation technology to clean the air around it using wind energy. Clever stuff.

Publish or peril

HP and Monocle have teamed up to ask 10 savvy small businesses from around the world what it takes to build a brand and stay ahead. Tune in for inspiring stories and advice on how to choose the right technology to succeed.