More small businesses use Twitter, Facebook to promote – USATODAY.com

By Jon Swartz, USA TODAY A surge in social-media use by small businesses reflects a shift in how they operate and their comfort with increasingly easy-to-use technology. In growing numbers, small-business owners are adopting social-networking services, location-based services, Twitter and online video to promote products and services, according to a new study by MerchantCircle, a…