Writing software is too hard and it takes too long. Meteor is a new way to write software and it's radically simple. With Meteor it's possible to build a prototype in a day or two, and a real production app in a few weeks. It makes everyday things easy. It's accessible to the maximum number of people.
Today to write a modern web application you need 3 things:
An API for the databases
PHP, Ruby, Java...
Some HTML for the views
Twig, Handlebars, Smarty...
And JavaScript to make it sexy
React, Angular, Ember...
What about starting with JavaScript ?
Never write the same data validation multiple times
Graphic designers become developers and developers can deploy without a system administrator
( spoiler alert : the reverse might not be true )
is
It's just a new way to write client and server code at the same time. It keeps in sync part of the database in the client for instant rendering. It's data on the wire only.
magic ?
what are drawbacks ?
it's not fully ready to take over wordpress ( or is it ) but it's the best for any single page application
( during the download you can follow me @guidouil and now I recommend you go do the official tutorial and join the closest Meteor Meetup and if you don't already have a code editor of choice I will suggestAtom )