Facebook Chain Mail?

[NO HEROES]

is this message i keep getting on Facebook real or chain mail? :

Attention all Facalezebook members.
Facebook is recently becoming very overpopulated,
There have been many members complaining that Facebook
is becoming very slow.Record shows that the reason is
that there are too many non-active Facebook members
And on the other side too many new Facebook members.
We will be sending this messages around to see if the
Members are active or not,If you're active please send
to 15 other users using Copy+Paste to show that you are active
Those who do not send this message within 2 weeks,
The user will be deleted without hesitation to create more space,
If Facebook is still overpopulated we kindly ask for donations but until then send this message to all your friends and make sure you send
this message to show me that your active and not deleted.

Founder of Facebook
Mark Zuckerberg

ive gotten this message at least 25 times and i dont even have that many friends (114). So whats up with it?
i sent it to a few people. i dont think its real though, especially with facebook being spelled wrong in the first sentance.