EW.com

Standard Mobile Specs

Creative Size	Max File Size	Format
320x50	7.5 K	.jpg/.gif/3rd party
260x260	20 K

MustList iPhone App Specs

Ad Product	Dimensions	Max File Size	Accepted Formats
Loading Screen Logo	142x38	20k	.gif w/ transparent background
Pinned Banner	300x50	50k	.jpg/.png/rich media - HTML5
Full Page Interstitial	320x480	50k

MustList iPad App Specs

Ad Product	Dimensions	Max File Size	Accepted Formats
Loading Screen Logo	122x42	30 K	.gif w/ transparent background
Details Page Logo
Mosaic Tile	238x190	80k	.jpg/.png/rich media - HTML5
Pinned Banner	728x90

Upon user initiated tap, all iphone/ipad app ads may call additional HTML5 compliant content to include:

• Full screen video: H2.64 video encoding required
• Full screen creative: ipad - max dimensions: 724x724/iphone - max dimensions: 320x480
• In-app browser: pointing to iphone/ipad optimized website

The Must List Apple device applications are certified to run the following vendor creative tags:

• Pointroll
• Phluant

HTML5 Specs

HTML5 is accepted by Time Inc. and will work correctly within HTML5 enabled browsers and environments. If users have the latest versions of Chrome, Safari, Internet Explorer, or Firefox, their browser is already capable of handling most code written in HTML5. If a user's browser is not updated, backup images will display instead of the HTML5 creative. HTML5 creative should follow the same advertising specifications as other Standard and Rich Media creative developed for each site. As with other rich media, HTML5 will require testing and approval 10 business days prior to launch.

Please review the following urls for a current list of HTML5 enabled browsers:

http://html5readiness.com/
or
http://caniuse.com/#cats=HTML5

Approved Mobile Vendors