Ministers from several countries have written an open letter to the Facebook CEO, Mark Zuckerberg, asking him not to fully encrypt all of the company’s messaging services. This week, Jordan Erica Webber talks to the Guardian’s tech reporter Julia Carrie Wong and the security expert Alan Woodward about the implications of restricting end-to-end encryption. Help support our independent journalism at <a href="https://www.theguardian.com/chipspod">theguardian.com/chipspod</a>