One analyst recently said that Microsoft has established 7.5 inches as the size for the new screen that incorporates the second generation of tablets Surface, which of course would go on sale between January and March of next year. The display would have a resolution of 1400 × 1050 pixels, which would give it a pixel density of 233 per inch. This would make the future Living in one of the tablets within the range of 7 inch best resolution on...