Microsoft launches competition to Apple's assistant, Siri
2 April 2014 Last updated at 19:19 BST
Microsoft has been showcasing a new virtual assistant as part of an upcoming update for Windows phones.
The assistant, named Cortana, tries to be chatty like Siri on Apple's iPhones and iPads, while anticipating information you might want, like Google Now on Android devices.
Here you can watch a clip of the presentation by Microsoft corporate vice president Joe Belfiore.