Welcome to our weekly edition of what's hot in social media news.
To help you stay up to date with social media, here are some of the news items that caught our attention.
What's New This Week
Tops of 2015: Digital: The Nielsen Company examined the top digital trends in 2015, including the top U.S. smartphone apps and operating systems. Facebook ranked as the top smartphone app with more than 126 million average unique users each month, an increase of 8% from last year. YouTube was second with over 97 million unique users each month,