Microsoft was the top Internet advertiser for the week ending May 9,
according to
data from BannerTrack, Nielsen//NetRatings’ syndicated
advertising research report. 
The top 10 based on reach:
| Advertiser | Impressions in millions | Reach % | 
| 1. Microsoft | 164.3 | 39.3% | 
| 2. Amazon | 60.7 | 29.9 | 
| 3. Thunderstone | 31.7 | 3.7 | 
| 4. LinkExchange | 30.5 | 9.7 | 
| 5. eBay | 28.4 | 6.1 | 
| 6. E*TRADE | 27.1 | 3.1 | 
| 7. SexSwap | 26.6 | 2.4 | 
| 8. Discover Brokerage | 26.4 | 3.0 | 
| 9. CDnow | 26.1 | 12.3 | 
| 10. First USA | 26.0 | 13.5 | 
Top banners, ranked according to reach percent, were:
- Amazon–Click on Shopping. Then click on Music and Video
- Flowerfarm–Mothers Day Special from $14.95
- Ad Council–Expect The Best From a Girl and That’s What You’ll Get
-  1-800-Flowers–Show Mom Your Everlasting Love With Our Everlasting
 Flower Basket
- Bonzi Software–Speed Up Your Internet Connection
- Net2Phone–Free Calling Mother’s Day
- Bonzi Software–Speed Up Your Internet Connection
- Ask Jeeves–Ask Jeeves any question.
- Goto.com–Type in what you’re looking for
- AmeriDebt–Find: A way out of debt
Ad banners that run predominantly on an advertiser’s own property are not
counted. Rankings are based on audience measurement of persons ages 2+ who
have access to the Internet from home. The banners may be viewed here.


