Thank you, Tom. There is actually a lot of misunderstanding around the marketplace and I've been seen research reports lately because apparently people started to speculate about the up and coming smartphones having 3D sensing capabilities. Now, I said this is misunderstanding because one should not compare structured light against VCSEL. VCSEL is one the 2 major types of lasers, and structured light, can use both VCSEL and the other type of laser which is called Edge Emitter. Okay now VCSEL and Edge Emitter there are pros and cons among the -- between the 2 and in fact, we have our current in-house solution in terms of total solution we are using primarily Edge Emitter type but we are also working with our customers on VCSEL type meaning our technology can actually [inaudible] cope with both. So again, I mean one should not compare VCSEL with structured light, a better comparison if I may elaborate on the question, I think it's very important for everybody to understand about 3D sensing. Structured light technology, a right comparison with this technology is something called Time-of-Flight or ToF or another type, which is little mentioned is stereoscopic or dual camera type. I will talk about dual camera because dual camera is already in the race. Dual camera by definition, in theory can generate 3D picture or 3D image but it's not really a suitable solution for smartphones, because dual camera require two cameras to be separated apart quite far away and your smartphone simply doesn’t a space to take that distance. And that is why although dual camera has been around in smartphone for quite some time. You don't -- you never see dual camera in those smartphones enabling 3D sensing because of this very reason, because they are not separated far away enough to really generate the 3D data. So you are -- what we are seeing today is for the dual camera to only enhance your 2D photos, enhance the image quality of the 2D photos. So that's what the dual camera does today and I think it will continue to do so in any foreseeable future. Okay. So, but because dual camera by definition it sounds as it can generate 3D, that's why I thought I should mention it, but let's just knock it down, because this is not really suitable for smartphone. Now the race where they've come down into two type of technology, one is our structure light and the other one is ToF or Time-of-Flight. Before I go on to compare the two, I must mention our total solution of today, is structure light type but we have worked with partners, third-party partners on ToF type as well. And in fact we are -- in our optics and laser, our projector side we can totally do ToF. And we need to sensor because our sensor today CMOS sensor which is by definition a structure light type of sensor or receiver. For ToF we require, we will need another type of sensor which is ToF sensor. We do have a plan to kick-start a ToF project, problem is we are so tied up today, so we can't really, we don't really have the manpower to do so. But I think probably next year, we will probably start our ToF solution development as well. So, technology-wise, it's not really that difficult for us. Now get back to the main issues of the pros and cons [inaudible] of the two technologies. Structure light by definition it’s like you mention you have a projector, you have a receiver, the same goes for both there you have algorithm to compare the projection side and receiving side and that's how you generate your 3D data. The difference is structure light, you kind of project a structure, an invisible structured service or image, right? And it hits the objects, bounce back, and you have a receiver to catch it. And then, you compare it. So you are really talking about an image. But with ToF, which is Time-of-Flight which by definition is basically you try to measure the outgoing signal, the timing of outgoing signal, and signal coming back, you catch it. You measure the time difference and the speed of light. That's how you measure the distance and therefore create the 3D map. So in terms of ToF rather having projected out a page image, it's really a spot of dots [inaudible]. So their theories are very different. Now on pros and cons, I would mention a few areas of difference. The first one is resolution, which I think is the most critical among all because if you look at our smartphone camera experience, we started with -- VGA are even sub VGA which is about 300,000 pixels. And before you know over a short period of time, a few years, now, we are talking about well over 10 megapixels already. So the lesson is that once consumers has it, they want better resolution, no matter what. So there consumers are hungry for the resolution. I think this will hold true for 3D sensing. ToF in resolution is its major, major drawback because light travels very fast. So you need, your pixel needs to take a lot of photos in order to get the accuracy, i.e., your pixel size needs to be rather large and therefore you cannot shrink your pixel size, it's a physics limitation, right? But the structure light type, our sensor is very similar to the RGB, [inaudible], the image CMOS sensor that are already used to in our smartphone camera today. So the sensor resolution can be enlarged. It’s a matter of Moore’s law. It can enlarge very quickly, very fast. It’s an easy effort. So we are betting on structure light initially, primarily because we have this firm belief that with structure light we can easily create a roadmap with enhanced resolution every year. With TOF -- it's very, very difficult if not impossible. So the resolution comp between the two is by the differences by order of the magnitude. So is very, very, very big. The second comparison is about precision that's how you can capture the detail of your 3D so to speak, right? In here structure light because you're talking about a page of image, so we've seen somewhere around, I would say 5 or 6 meters, structure light outperforms ToF in precision. But beyond that, because it's about -- the speed of light, so the longer resistance is actually easy for them. So ToF I would say 5 or 6 meters or above ToF is probably its strengths area, however back to the first point of resolution, when it’s that far way people do also require a high resolution as well. So again that gets back to ToF’s weakness. By anyway in precision, both has its strengths and weakness. And the third area is the capability to be integrated with your RGB sensor. Bear in mind structure light, the sensor is really identical to your image sensor. So you're having, one page of RGB sensor, image against another page of black and white 3D sensor image, so it's very, very easy to have each enhancing the other and even to synchronize them and generate 3D photography. While with ToF is very, very different. As I mentioned earlier, the ToF sensor by nature is very, very different than your RGB sensor so by definition is very, very difficult to integrate and particularly with the lack of resolution, the integration even if you can achieve that, the effect will not be satisfactory. So that's integration capability, in here structure light also has benefit. And the fourth area, ToF has an advantage which is X and Y side. I talk about the dual camera, the projector and receiver needs to be separated far away. To a much lesser extent, for structure light but structure light because your projector and receiver with an image. So the projector and receiver also needs to have some distance, that distance must be accommodated by your smartphone. But with ToF there is almost no distance required because they are measuring the time of -- the speed of light, so they don't really need a distance between receiver and projector. Therefore their X and Y dimension can be a lot smaller compared to structure light that is ToF advantage. And finally assembly, the [inaudible] easiness for module assembly. Structure light again because of its very short distance between projector and receiver the assembly is a lot easier to handle compared to structure light. So, I mean as I said there are pros and cons between the two and [inaudible] and which one will win over but I think my bet is that [inaudible] they will kind of coexist in the market place for a very long time. They are just, they will just be used for the right applications, right range, right scenario, right situation. So I, my bet is[inaudible] both will coexist. And that is why I think in the long term actually, not very long-term, in fact probably starting next year we'll start to develop a ToF solution. I'm sorry for the very long answer but I think it’s a very important question. We are very early stage in this new technology. So I think it's a good idea that we kind of set the record straight for this very important question.