In this example, a Sponsored Brands ad reads "Save 50% on tube socks." What would be a better promotional message?

Save now on tube socks" is a better promotional message because it creates a sense of urgency without specifying a discount amount. While "Save 50% on tube socks" is clear, it might not always be feasible or the most compelling offer. "Save half on tube socks" is essentially the same as 50% and offers no improvement. "Save $10 on tube socks" is too specific and might not be relevant to all price points or appealing enough. "Huge savings on tube socks" is vague and less impactful than a direct call to action. "Save now" encourages immediate action, which is often a goal of advertising.