Scrabble — the board game in which you compete with other players in making words — has become a familiar household name since December 1948, when the game was granted a copyright application and a trademark was registered in the U.S. Since then, it has sold more than 100 million sets in 121 countries in 29 different languages. Scrabulous — an unofficial, online version of Scrabble — is perhaps lesser known, but since its launch in July 2007, it has become one of the most popular applications on social networking site Facebook. In early August, it had 1,331,840 monthly active users; at its peak it was attracting 600,000 players a day. (See “ Scrabulous and the New Social Operating System .”) Combined, the two games are not only creating words but also making waves among online users, application developers and copyright experts: On July 24, Hasbro, which owns the rights to the game in the U.S.…