The Cryptocurrency Crunch

Does the plunge in Bitcoin's value suggest it has failed as the future of money? We ask Merryn Somerset Webb from Moneyweek magazine and Iqbal Gandham from trading platform eToro. Plus, should tech giants be made to share their mapping data with other companies to boost innovation? And would government IT projects benefit from using smaller companies? Presented by Rory Cellan-Jones, with BBC tech reporter Zoe Kleinman and special guest Peter Wells from the Open Data Institute.

(Image: Representation of a Bitcoin token broken in two, Credit: Yu Chun Christopher Wong /S3studio /Getty Images).