What are the most popular conferences and events for digital publishers to attend?
My answer to What are the most popular conferences and events for digital publishers to attend? on Quora
The O’Reilly TOC (Tools of Change for Publishers) events look very good (I haven’t been myself)—they publish a lot of video so you can watch some talks to decide if it looks like the right event for you to attend:http://lanyrd.com/series/toc/
The next one is in New York in February, but they also run them in Europe in Frankfurt and Bologna.
We have a bunch of conferences that might fit your question listed on Lanyrd, across a few different topics. These pages are worth a look: