how about for everyone else who doesnt have these fancy sponsored systems that were obviously only for this video?,(reply>), ​@Draw a Pretzel Certainly more than 1% - for those still without access, particularly in low- and middle- income countries," methods such as stereotactic surgery methodologies are used (<a href=""https://www.sciencedirect.com/topics/medicine-and-dentistry/stereotactic-surgery)"">https://www.sciencedirect.com/topics/medicine-and-dentistry/stereotactic-surgery)</a>", of which has been around since the early 1900s. Same situation of translating imaging modalities to cartesian (X/Y/Z) coordinates - just with metal frames instead of electromagnetism.,(reply>), @Bran G Smith wow, so 1% of the world uses them. I reiterate. What about for everyone else?,(reply>), Welcome to universal healthcare where there is no pricing tiers.,(reply>), Yeh we use them all across the UK,(reply>), These neuronavigation systems are standard in NHS neurosurgical units across the UK