This is the first time the world's biggest online video convention will be held in Europe. It's an opportunity for YouTubers and web video makers from around the world to get together.
One of the prime forums for YouTubers is VidCon. Here, they hobnob with other video makers and learn all about the latest trends. For many, YouTube morphed into a professionalized business with its own rules long ago. Rule number one is to stay in tune with the fans. They'll also be coming to Amsterdam to get up close and personal with their video idols.