SIME is an conference that in my opinion has become an important tribe meeting for passionated digital entrepreneurs. This year its in Stockholm 2013 takes place 12-13 November:

SIME is Northern Europe’s largest event on digital opportunities, technology, communication and entrepreneurship. During two days and nights, more than 80 speakers and 1 800 guests meet in Stockholm for Scandinavia’s premier annual Internet event. This year the theme for SIME Stockholm is downloading the future of business and a top roster of speakers will do their outmost to share experience and insights to make you stay ahead of the digital game. SIME Stockholm also features 18 workshops, SIME Investor Summit, SIME Non-Profit Summit and SIME HR Summit.
SIME