Disclaimer: I am not a lawyer, and this is business manners advice, not legal advice. Step 1: Start with a very friendly letter noting the similarities, and

Disclaimer: I am not a lawyer, and this is business manners advice, not legal advice. Step 1: Start with a very friendly letter noting the similarities, and asking for citation with a link. If it's a friendly error, or you give them an out making it seem like a friendly error, they'll cite you and it's done. Step 2: If you aren't cited, write a firm but polite letter saying, "I'd prefer to keep this between professionals. I notice the similarities. Please cite my work. Let's resolve this amongst ourselves before involving editors." Step 3: If it's not resolved, then send a nice letter, along with the correspondence chain to the editor. Explain that you worked a long time at the article, that you respect Forbes, and that you are looking for a citation, and not shaking them down for money. Whatever you do, don't lose your composure. If you lose your composure, you lose the negotiation. This should resolve 80% of the issues, without making any enemies. The last 20% just aren't worth fighting on your own dollar. Plagiarism happens, but it's best to let big companies sue big companies. The upside isn't worth involving lawyers.