The best stories across the web on media and technology, curated by Leandro Oliva.

1. 6 social media mistakes to avoid this Election Day (Poynter)

2. On Google, a political mystery that’s all numbers (WSJ)

3. New Twitter policy lets users see tweets pulled down for copyright (GigaOM)

4. Fight builds over online royalties (NYT)

5. AP tells its journalists: Be careful what you tweet on election night (Romenesko)