But most importantly: Stating that it is indispensable and discouraging from looking for alternatives is a self-fulfilling prophecy -- and exactly what Facebook wants you to do. So stop saying that for start.
Hear bleedin' hear! I need Facebook like I need an infected testicle. I've managed pretty well without ever going near it since its inception, along with all of its work-alikes.
Anyone relying on Facebook for their business isn't going to get my custom and that attitude is going to grow exponentially now we have something more than Zuck's "They trust me? Stupid fuckers" to tell people about.