What is an important creative detail to keep in mind when buying cross-screen TV advertisements?

1. “DeviceType” bid request signals are irrelevant.
2. Interactive media ads using VAST (Video Ad Serving Template) are not accepted.
3. VPAID (Video Player-Ad Interface Definition) ad streaming is not accepted.
4. High-quality MP4 videos are not necessary.

100% Correct Answer

• VPAID (Video Player-Ad Interface Definition) ad streaming is not accepted.