Coverage is the question everybody asks before switching mobile network, and the answer comes from somebody who sold phones back when the handsets were enormous and the calls were expensive. He explains how the networks were actually built and why that history still decides whether you get a signal where you live, which beats staring at a coverage map.
The search material is the other half. Twelve rules for choosing a domain name, starting with brainstorming keywords for your real niche, and the honest observation that a low competition phrase inside the domain can carry you to the top of a search on its own.
There are reviews of two keyword and optimisation tools, and an explanation of social signals and what a pair of search algorithm updates changed for anybody writing posts.
He also asks directly whether network marketing is a scam, and answers with an argument rather than a slogan.
Read the domain name post before you register anything, and the coverage one before you move network.