You may find these web materials and videos useful:

Videos

• Learn about stake pools and delegating stake
• What is delegation?
• What is Ouroboros?
• Delegation defined
• About Ouroboros and stake pools
• Proof of stake delegation
• Incentives in Cardano Presentation
• Understanding Incentives

Blog posts

IOHK’s researchers and engineers often post on our blog. Here are a couple of posts about stake pools and the Shelley testnet which you may find helpful:

• From Byron to Shelley: Part one, the testnets - By Kevin Hammond, software engineer at IOHK
• From Byron to Shelley: Part two, the journey to mainnet - By Kevin Hammond, software engineer at IOHK
• How Pledging will keep Cardano healthy - By Lars Brünjes, director of education at IOHK
• Architecting Shelley - An interview with Duncan Coutts, chief technical architect at IOHK
• Stake pools in Cardano - By Professor Aggelos Kiayias, chief scientist at IOHK
• What the Byron reboot means for Cardano - By Tim Harrison, director of communications at IOHK
• Ouroboros explained - By Kieran Costello, technical writer at IOHK
• How Cardano's transaction fees work - By Lars Brünjes, director of education at IOHK