It’s online advertising forecast season. EMarketer projects nearly 11% growth in US spending next year, to $28.5 billion, and double-digit growth out to 2014. Agency Magna Global is slightly more bullish, and it and big media buyer ZenithOptimedia compare online to other media growth very favorably. NewNet technologies are a new catalyst for building off of proven Internet media models, so we’ve got our own Modern Media Manifesto on how to capture this spending. Meanwhile, could do-not-track or anti-cookie legislation derail this potential gravy train? Or would some publishers be happy with contextual, rather than behavioral, ad targeting?