Believe it or not, bitcoin, or at least the theory behind it, has been around for a decade.
Simply put, bitcoin is a decentralised virtual currency, which means you don’t need a bank, or physical cash, to transact.
And after 7000 bulletins veteran newsreader Riaan Cruywagen has left the SABC. He joins us to reflect on a remarkable career -- and to tell us about his book "What's News?" which has just been published in English.