Final answer:
Tire. Veterinary practices are indeed shifting from Yellow Book advertisements toward digital marketing strategies due to the changing behavior of clients who increasingly use the internet to search for services.
Step-by-step explanation:
It is true that veterinary practices are relying less on the use of telephone Yellow Book advertisements as a marketing tool. The advent of digital marketing strategies, including social media, websites, and search engine optimization (SEO), has significantly changed the landscape of advertising.
As more clients are turning to the internet to find and research veterinary services, practices have adapted by investing in online marketing efforts that can target local customers more effectively and provide a wider reach.