Screenleap Offers One-Click Screen Sharing for Free, No Sign-Ups
or Installs Required  Just when you thought there were plenty of
free web services that allow you to easily share your desktop
with others, new webapp Screenleap simplifies screen sharing
even further. Screenleap allows you to share your desktop with
as many people as you choose, without signing up for an account,
downloading and installing anything, and does it all for free.
In fact, the only software you'll need on your system to use
Screenleap is the Java Runtime Environment, which most people
already have. The first time you use Screenleap, you'll have to
grant the service permission to run in your browser, but aside
from that, the service is completely hassle and setup-free. Just
visit the website, click to share your screen, and go. Once your
screen is shared, you'll get a link to send to as many people as
you want to see what you're working on. The URL is only active
while your screen sharing session is live, and while you don't
get adva