What is the Best Trade Show Booth Giveaway?

Investing in giveaways and swag can be expensive. Also, you only have so much time to grab someone’s attention long enough to stop them at your booth. That’s why it’s important to make the most of your limited time and create the opportunity to engage with potential clients. Therefore, it’s important that you choose the best kind of swag or giveaway. So, what kind of giveaways and swag are the most effective?