Deciding to write a novel about something - as opposed to finding you are writing a novel around something - sounds to me like a good evocation of writer's block.
Eric Clapton always wanted to come out onstage with a stuffed parrot on his shoulder.
Their Internet usage is growing very rapidly, and even they can do the math: If everyone in China needed an IPv4 address - just one - this country would use up one third of the entire public IP address space.