Back in January, Heidi Cohen published in ClickZ her list for the 7-Top Online Marketing Trends for this year: Social media growth will come from expanded niche products. Search marketing will continue to extend its reach into other formats, including social, local, and mobile search. Analytics and related measurements will become more sophisticated. Behavioral targeting will become more widespread and will provide improved customer experiences, offering customers more relevant information to consumers and better targeted ads to marketers. Integration of on- and offline will continue as retailers update technology. E-mail communications will evolve. The market will disrupted by a new technology or a shift in how existing products are used. Moreover, she highlights some of the main metrics to measure: customers, revenues, expenses, margins, external factors and buzz. For a more in-deep explanation on each one read ClickZ