Once you have a database of words that you know, you could use it to help select...

mixedbit on Oct 29, 2012 | parent | context | favorite | on: Hacking language learning

Once you have a database of words that you know, you could use it to help select a next book to read (a book that does not have too large percentage of words that you don't know). Several times I bought a book only to find out that the language is way to advanced for my level. Very frustrating.