If they’re not there as a couple of comments I would make allot not really going to tell you know we don't know what we're going to do yet exactly 70-247 practice exam so I can tell you what we're going to do but dump there was document presentation for some kernel conference that was published by India couple years ago that talked about adding segment support back the sixty four-bit system and I think it was actually partly because of virtualization people wanted it omega I haven't figure out exactly where that’s going to go.