The History of spanish videos for beginners
http://www.52ts.com/link.php?url=https://www.scribd.com/document/467721663/224473How-to-Explain-Conversational-Spanish-Practice-Online-to-Your-Grandparents
These periods are set to be ideal before we forget something, based upon research study into memory. There are two main choices for flashcard SRS apps: Anki, and Memrise. I prefer Anki myself, as it's simpler,