"StartPage protects you from NSA surveillance and spying": And how do you save me from NSA owning CA's and decrypting the SSL Traffic from you? Please explain. (I wish https was any good against NSA - is it?)
We used Persona for http://bit.ly/blibonline - and one of the problems we faced was that we would have liked the registration process to let our users tell us the name / icon (avatar), which was missing in Persona then. Any news on the timeline for these additions to Persona? (OpenID gives those two elements from registration/usage)
Most of these books are not PDF, but if you own PDF books, here is something you can try to organize/search them: https://register.blib.us (and access them from anywhere)
You just ignore the robots.txt file, crawl slowly, and from distributed virtual machines.
Not that you should do that. Robots.txt is a nicety though, the client doesn't have to respect it, and the server doesn't have to allow your HTTP requests.