LEARNSTREET: $1 million in seed round to Palo Alto, CA-based LearnStreet from Vinod Khosla (through Khosla Ventures), who has also joined the board. Khosla played a pivotal role in helping get LearnStreet starte, including hiring the founding team. The compay follows the likes of Codecademy, Treehouse, Code HS, and a host of other upstart companies that aim to teach folks how to code. So how is this one different? TechCrunch took a look.