A message from the past that’s all about the future

Don’t think of it as something you might take out of an envelope but rather a focused stream of electrons from the future, or the past, depending on how and when you read this.
Certainly there are a lot of names to read at the Web Summit. The issue may be your familiarity with them: WondrWorld, HouseMyDog, Questmen. Jumble, and Ghostery. Bundlin.