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Private tech firms should share more information with government and with each other to tackle cybercrime, according to US President Barack Obama. But do they want to share? We ask Chris Calabrese, senior policy director for the Centre for Democracy and Technology in Washington.

And why are campaigners so angry about Arctic Granny? Anti-GMO spokesman Jeffrey Smith tells Business Matters why a genetically modified apple won't keep the doctor away.

It's Valentines Day, but is this centuries-old celebration of love turning a little seedier? Research shows that this year - advertisers messages marking the day have become cruder and brasher. We discuss this and more with Ralf Silva, a banking and business analyst based in Toronto.