International Data Corporation (IDC) released its Worldwide Quarterly Tablet Tracker report today and the results show greater parity in the tablet market as the category is taking increasing sales of the overall PC pie. 27.8 million of the 87.7 million PCs sold were tablets, with Apple claiming 50.4 percent of that rake (down from 59.7 a year earlier), and Samsung and Amazon coming in at 18.4 percent (up from 6.5 percent) and 9.0 percent respectively. [Source IDC]