Samsung Electronics's now saying it's gonna file co-injunctions in both France and Italy. They are seeking to block sale of Apple's latest iPhone the 4S. As the patent fight intensifies between these two smartphone giants, Samsung is claiming that the iPhone maker infringed several of their wireless telecommunication's technology. The move comes just the day after Apple unveiled the much anticipated iPhone 4S. Apple, on the other hand, is saying that Samsung, it took Samsung to court back in April, claiming that its Galaxy phones and tablets copy the iPhone and the iPad. For reaction on this, this whole dispute between Apple and Samsung, let's go across to CCTV correspondent Yujin Zhang. So, Yujin. Firstly, I mean, they are spending billions and billions on this legal battle. It's essentially a fight, like I said, not so much between Samsung and Apple as much as it is between Android and Apple. It is a fight for mobile phone interface, mobile phone operating system. What exactly is Samsung so upset about with the iPhone 4S?