Bringing in $75-million over the holiday weekend, the Avatar box office gross helped shatter ticket sales record. The “estimated total theatrical receipts of $278 million from Friday-Sunday in the US / Canada” is the highest number of tickets sold in a 3-day period. Continue reading to see a video on the movie’s animation techniques.

With $212.3 million domestically already, the costly James Cameron-directed 3-D epic is on its way to more than $400 million domestically. Overseas, it already has grossed a phenomenal $405 million, including $145 million this weekend in 108 markets.

[via LA Times]