Among the most endorsed tactics for attracting high-quality leads were in-house email marketing and search engine optimization. Two in five said their own email campaigns produced predominantly high-quality leads; 36% said the same of leads that came in through SEO. Tactics designed to create person-to-person direct contact were also among the best performing, including telemarketing/cold-calling and trade show events, both of which most B2B marketers surveyed said mainly delivered leads of reasonable to high quality. Another high performer: sponsoring webinars, which 77% of respondents said led to high- or medium-quality leads. Read the rest at eMarketer.