A list of online advertising opportunities

Just ran across this list of places online where ads appear...if you are not using the web for advertising the breadth of the opportunity may surprise you!

Ads embedded in emails
YouTube and other websites where you watch but cannot download video clips
Promotion or sponsorship specific website
Corporate or overall company website
Pop up ads
Customer reviews and product information on retail sites, such as eBay, Amazon
Search engines and portals, such as Yahoo, Google, MSN, Bing
Video games (product placement, sponsorship of an online game)
Blogs (place on the Internet where one person is sharing their opinion on a topic via a journal-style text entry)
Mobile phone ads (text message promotions, ad placements around mobile content)
Forums (place on the Internet where multiple people are sharing their opinion on a topic)
Classified ads, such as Craigslist, Kijiji
Virtual worlds, such as Second Life (product placement, sponsorship of a virtual game or event)
Social network websites, such as MySpace, Classmates, Facebook, Twitter
Podcasts (a short video or audio file that you can download from the Internet where a person is sharing their opinion on a topic)
Email newsletters that you have subscribed to receive
Brand or product specific website
Banner ads (advertising that appears in the margins on websites)