Which statement about marketing/sales events is true?

The statement about marketing/sales events requiring proper preparation and compliance is accurate because organizing such events involves various regulations and guidelines to ensure they are conducted ethically and lawfully. This includes understanding legal requirements related to advertising, data protection, and local laws governing sales activities. Proper preparation also encompasses logistical considerations, such as venue selection, audience targeting, and resource allocation.

In contrast, while it's true that marketing/sales events can be social in nature, focusing only on that aspect overlooks the comprehensive planning and compliance needed for success. Similarly, the assertion that events can be held anywhere without restrictions disregards the importance of adhering to venue rules and local regulations. Lastly, the idea that no prior notice is needed misrepresents the best practices for effective marketing/sales events, which typically include notifying participants and stakeholders in advance for proper attendance and engagement.