Facebook, Twitter and social media marketing - InternetNews.com

Facebook and Twitter see the highest adoption rate in social media marketing while customer reviews rank No. 1 for increasing sales and customer engagement, according to a study released Wednesday.

Retailers are revving up their social media marketing efforts as the past six months show aggressive adoption of the emerging trend with Facebook and Twitter leading the way, according to the report, "Community and Social Media Study," conducted by the e-commerce consulting firm the e-tailing group and online customer review firm PowerReviews...