![TechNation Radio Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/069/634/small/technation-radio-podcast.jpg)
Summary: On this week’s Tech Nation, how video on your smartphone is the next generation of focus groups. We’ll hear from Patricia Roller, the CEO of Vidlet(VID-LETT). Then on Tech Nation Health, the link between Down syndrome and Alzheimer’s Disease, Dr. Jerold Chun is a Professor and Director of Neuroscience Drug Discovery at Sanford Burnham Prebys Medical Discovery Institute.