I read this and it cleared a lot of things up for me: http://www.scribd.com/doc/55945011/An-Introduction-to-Stock-Options-for-the-Tech-Entrepreneur-or-Startup-Employee
On An Open Letter to the Employee Stock Options My Company Gave Me
I read this and it cleared a lot of things up for me: http://www.scribd.com/doc/55945011/An-Introduction-to-Stock-Options-for-the-Tech-Entrepreneur-or-Startup-Employee