970x250 Billboard / Pushdown (desktop / laptop only) top, bottom of site
970x90 Super leaderboard Desktop/laptop only) Top, middle, or bottom of site
728x90 Leaderboard (tablet only) Top, Middle, or Bottom of site
300x250 Medium Rectangle (all devices) right rail, in article or in photo gallery
320x50 Mobile Sticky Anchor (bottom of site) or Mobile Leaderboard (top, middle, or bottom)
468x60 Mobile Leaderboard (Tablet/Large Mobile) or Newsletter Sponsor
Featured Ads (middle of site or bottom of articles)
300x600 Half Page (desktop / laptop only) Right rail only
