The Ticker: PR salaries; B2B & social; Marketing with Groupon; Twitter’s top news & people; MC Hammer in Oakland

PRBuilderThe starting salary for a PR specialist is…

MediaPostB2B Marketers Have Much To Learn About Social

AdAgeGroupon Marketing Spending Works Almost Too Well

TechCrunchTwitter Tests “Top News” And “Top People” At Top Of Search Results

FishbowlLAMC Hammer Joins Occupy Oakland Protests