Portent Interactive is an US based Internet marketing company located in Seattle, WA.
For years I have been an avid reader of the Conversation Marketing blog by the founder of Portent Interactive, Ian Lurie. He always impressed me with his unique and poignant view on the Internet marketing industry and its issues.
Additionally Ian is a household name in the SEO arena. He's a highly respected individual who gets featured all over industry publications, conferences and beyond. You can read articles by Ian Lurie on Search Engine Land, Search News Central or even TechCrunch. You can also listen to him speak at the SMX (Search Marketing Expo) among other industry leading experts.