Betabeers is an event that's organised monthly in a few Spanish cities in Spain which started in Madrid thanks to @miquelcamps. In these events different people come to present the projects they've been working on and to give very interesting talks about mobile and web development.
Apart from this event, they also have an online service for freelancers and a great blog where they post interesting news in the development world and a lot of interviews.
I was luck enough to be asked to be interviewed for their blog and accepted happily. I was mainly asked about Android development. You can see the full interview here.
I was also very surprised this morning when I found out that I appear in a book. Betabeers has done a book where they've collected all the interviews they've done. You can download the book here previously paying with a tweet.