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Digital Ad Specifications:

Display Advertising
Standard: GIF, JPEG
Rich Media: HTML, Flash, JavaScript
Certified Vendors: 24/7 RealMedia, Adrime , Adtech ,Adventive, Atlas DMT, Bluestreak, DoubleClick, EyeBlaster, EyeWonder, Mediamind, Mediaplex ,Mixpo , Pointroll, Qoof

*All rich media creatives should be delivered with a gif backup with the same dimensions

Ad Unit Sizes
728x90 (expandable downward to 728x315), 300x250 (expandable left to 600x250), 300x600 (expandable left to 600x600), 336x850 (expandable left to 600x850), 300x100, 640x480 overlay, 600x400 Interstitial, 160x600.

Ad File Size
50K maximum file size

Looping/Animation
3X looping maximum, 15 seconds of animation maximum

Audio
User initiated audio, except for streaming video ads, which can start playing with audio immediately

User Interaction

• Any floating overlay or expandable portion of the ad must contain a clearly visible 20x30 [x] CLOSE or SKIP button that allows the user to stop the animation and close the floating, overlay or expanding element immediately.
• "Same in-Same out" Expansion on mouse-over requires collapse on mouse-off. Expansion on click requires click to collapse.
• Expandable ad panels can at no time cover, impede or otherwise obscure site logo, or other in-page ad spaces (same advertiser exceptions permitted)

 

Tracking

• All Standard/Rich Media ad products listed above support:
  - 3rd Party 1x1 impression tracking (Not including Newsletter Ad Placements)
  - 3rd Party click tracking via click command URLs

 

Email Newsletters
HTML: 300x250 25K maximum file size, GIF or JPG only
Text: 4 lines of copy with 70 characters per line, plus the 5th line is the link.
This link will appear coded, not readable, so we can track clicks.

RSS Feed Ads
300x250, 468x60 GIF or JPEG

Video Ads
Pre-Roll: 0:30 second max
Video: 640x360, Same as source fps, Progressive
Audio: MPEG Layer III (MP3), 128 kbps, Stereo
Bitrate: VBR, 2 Pass, Target 1000.00 kbps

Podcasts
60 Second Science series: 10 second maximum audio credit, mp3 file, 256 kbps
Weekly Science Talk: 30 second maximum audio credit, mp3 file, 256 kbps

Mobile site
300x50, 300x250 interstitial

Creative Deadlines
5 business days for Rich Media and Video ads; 2 weeks for podcast audio credits

Cancellation
IAB AAAA Version 2.0
- At any time prior to the serving of the first impression, agency can cancel the IO with 30 days written notice without penalty.
- Upon the serving of the first impression of the IO, agency can cancel IO for any reason, without penalty, by providing Scientific American written notice of cancellation 14 days in advance.

Additional Information
Please send linking URL for all ads. All ad units must be tested for approval.
Flash banner ads must be created using 24/7 Real Media’s format:
http://www.247realmedia.com/marketing/websites/creative_specs/UK/specifications.html