An athletic shoes retailer is ready to use Campaign Manager 360. They’d like to start advertising across mobile platforms, with a focus on smartphones. Which scenario represents a factor they should be aware of when advertising on a smartphone?

A creative for walking shoes is a dynamic animation and requires a very good Wi-Fi or broadband connection.
A creative for hiking shoes is a medium-length video ad that directs users to their hiking shoes comparison webpage.
A creative for their latest running shoes is mobile-optimized but leads to their mobile website.
A creative for athletic socks is medium-sized, animated, with highly specific flight specifications.