The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
Sheep, sheep and even more sheep. They all look at you and wait for you to touch them. And you never know what noises they will make! How many can you count? 100? 300? 5000? Keep counting them until you fall asleep!