Some innovative and profitable business ideas that have stood out in recent years include starting a dog walking and pet sitting business, opening an Etsy shop to sell handmade novelties, offering pet care services, launching a food truck or restaurant popup, and providing consulting services on topics such as business, social media marketing, human resources, and leadership. Additionally, there are unique business ideas such as 3D costume printing, generative AI, and offering marketing services to small businesses. It's also worth considering niche business ideas like becoming a personal shopper on TikTok, launching a novelty t-shirt brand, or offering consulting services to specific industries or underserved customer bases. These ideas offer a combination of profitability, creativity, and potential for growth in today's market.