"Adam Posen, former Bank of England board member"

Nuff said.

A reply I made in another thread about the complaint that free bitcoin sites, like the ones listed here, are not worth it... what good are they if one only gets very very small amounts that is not worth the time... etc.

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Well no one, I hope, is suggesting that this is a viable source of income which
will allow one to give up their regular job.   
( then again, who knows what 0.0053 BTC [the amount complained about] might be worth several years from now. )

When I first found out about Bitcoin I wanted to try it out as soon as possible; I am sure many other newbies are the same.

Signing up to some exchange or using some of the other methods for buying bitcoins can be a hassle, and can have fees higher
than someone just wanting to try things out would like. 

So using these few free bitcoins sites can be a good way of trying things out... it is exciting to get that first payment to ones
wallet... and if other newbies are like me they will be just as excited to gather enough together to send them off to a friend
or a worthy charity or the like, in order to try sending as well as receiving. 

And getting new users excited about Bitcoin and getting them using it right away can only be good for Bitcoin as a whole.