"There are two key themes that stand out incredibly strongly in this: both Microsoft and Apple did an awful lot of what they did by shamelessly copying the work of others, and the big companies floating around the space (mainly IBM and Xerox) clearly had no clue at all about what was going on."
Here is a comparison between the new iPad Pro and the Microsoft surface Pro 3, and it shows you just how similar they are and could this be an issue of intellectual property