The Fraudster, The Hacker and You: Is my phone spying on me?

"I'm sure my phone is listening to my conversations. We've all had our doubts when we've seen an advertisement on the internet related to a conversation that has just taken place. Are our mobile phones listening to what we say in order to offer us tailored advertising? I got interested in what might be one of the most controversial topics on the internet. And to tell you the truth, it's ... worse than I thought.