Free, ungated access to all 280+ episodes of “It’s 5:05!” on your favorite podcast platforms: https://bit.ly/505-updates. You’re welcome to 𝗿𝗲𝗽𝗼𝘀𝘁 if your followers will find this of value. The stories we’re covering today. Marcel Brown: November 30th, 2009. Book retailer Barnes Noble releases their first Nook eReader to compete with the highly successful Amazon Kindle, released two years earlier. Edwin Kwan: Are we sharing too much on LinkedIn? Daniel Barbosa from WeLiveSecurity recently published an article on the potential risks associated with the wealth of personal information shared on LinkedIn, which is the world's largest professional social network. Katy Craig: MITRE, a government-funded research organization, is leading an ambitious project to map the security vulnerabilities in artificial intelligence (AI) systems. Recognizing the critical nature of AI security, international cyber defense agencies have called for enhanced security practices throughout the AI system lifecycle. Ian Garrett: Is investing in cybersecurity hot or not? It turns out it depends who you're asking, because there's a huge divide between the private and public markets.