1) The document discusses the differences between traditional teaching methods and 21st century teaching and learning. It explores tools and methods for 21st century learning, including the use of video and open educational resources. 2) 21st century learning focuses on developing skills like problem solving, collaboration, and communication to prepare students for an evolving workforce. Teaching methods emphasize learner-centered and blended approaches using technology. 3) Successful implementation of 21st century teaching requires objectives like improving student employability by developing skills valued by employers, such as collaboration, communication, and digital literacy. Utilizing tools like blended learning and social media can engage students and facilitate new models of teaching and learning.