Today, Blizzard has started officially sending out their beta invites for much anticipated Diablo 3. To be eligible to receive the beta key/invite you would have had to opt in for it through your battlenet account. If you have opted in for the invite and haven’t checked your email, WHAT ARE YOU WAITING FOR? you can download the game now and play it.
If you unfortunately did not get a beta key, or got scammed with a fake beta key that of course didn’t work, then Blizzard will be sending out some keys through upcoming giveaways and promotions. Hold tight and try to get your fix through Diablo 2 and Youtube videos.