Vidyoo is a new 'people discovery' platform for Facebook. While it's broadly aimed at 'meeting new people', it's really focusing on the lucrative dating market. It launched officially for the public yesterday, and promises to help you meet people who match your interests and preferences, with the main interaction subsequently taking place over video chat.
"from instructors with distinguished academic pedigrees. For more mundane pursuits, like learning how to paddleboard or build a planter box for the garden, there is an inexhaustible supply of free how-to videos on YouTube, eHow and other sites."