Marketing and business newsletter from Stanly Liu, a marketer and agency owner, covering brand vision, ad profitability, agency fee models and seasonal sales myths. Readers get practical advice on tracking contribution profit and evaluating paid ads agencies critically.
Website: https://stanlyliu.com/
A Spanish-language weekly report on the decisions customers make before reaching a sales page, covering pricing, discounts and conversion. Each issue argues one specific point about buyer behaviour and then offers practical ways to act on it, with some content reserved for members.
Essays on how AI and agentic systems change the way businesses buy, sell, and build, covering professional services discovery, AI-generated prototypes, and AI search's effect on differentiation. Readers get strategic framing aimed at business leaders and consultants dealing with uncertainty.
Signal Lock publishes measured studies of how AI assistants like ChatGPT, Claude, Gemini and Perplexity describe local businesses, using counted answers and cited sources. Issues cover directory citations, the limits of free AI visibility scores, and a before-and-after test of a website rebuilt to be readable by AI assistants.
One short email a week with hand-picked newsletters from the index. Free, no spam, unsubscribe anytime.
