...are what you'd better have in case you work for SFI!
How do I‚steal‘ (sort of) unlimited Banner Impressions in next to no time? They send me daily Mailings; in this mailings is (guess what) a link. Clicking that Links opens a paid page
that's top left corner of the page; after 30 seconds I click the correct button and get 30 AdCredits and so on until I have my 1K+ AdCredits, look:
10,005 Banner Impressions divided by 10 Banners is what I get every week on ViralURL and that's (by far) not my only Bannerhost...