The WDC NanoLounge

Joy's right about everything. You can update your word count at either site however many times you want. At the end of the month, you only need to copy and paste your entire novel into the NaNo site's official verifier to verify your 50,000 words. There is usually a couple of words difference between what the word count on your word processing program says and what the final word count on the NaNo site says.