At a marketing conference this week Jason Scott of @sockington told a room full of marketers that he thinks we are all a bunch of spammers. I disagree.
An elevator rant is similar to an elevator pitch but it’s how the customer would briefly describe her problem. Constructing an elevator rant is a good precursor to developing a value proposition. This post describes what the elevator rant is and proposes a structure for building one.
Estimating the size of an addressable market for a startup is hard but not impossible. The key is to start with what you know, extrapolate in a reasonable way and then test your assumptions on customers.