Marketing Profs - helping info and marketing know-how from professionals and professors.
Cision - Source for media contacts such as newspapers, magazines, television and radio.
Marketing Sherpa - real life case studies, practical know-ho and benchmark data on what works in marketing today.
InventorSpot.com Helpful Articles and Resources
Other Helpful Invention and New Product Marketing Resources
TSNN.com - The Trade Show News Network - the "ultimate" trade show directory with extensive show/event, supplier and venue databases.