1. 73% of online adults now use social networking sites, per this year-end report from Pew. And more adults are diversifying their online social networking — 42% report using more than one service. Facebook and Instagram boast particularly strong daily engagement. 63% of Facebook users using the site daily, and 40% say they log in multiple times per day.
2. Facebook itself has released a comprehensive (and highly visual) report for partners with aggregated international and mobile data. After its early bad bet on HTML5, Facebook’s 2012 pivot to mobile has been effective: roughly a third of German, Spanish, French, and Italian mobile phone users using Facebook.
3. Reddit released its own 2013 year-end numbers — 56 billion pageviews is impressive, and nearly 16 minutes per visit is staggering. From the top ten threads it’s clear that laughter sells and that Reddit was, for good and for ill, a go-to source in the murkiness around the Boston bombings. One question: With 21% of Canadians on Reddit, why isn’t it a nicer place?
4. In the U.S. and frustrated with your internet service? It’s likely you’re paying more and that your internet speed is lagging behind the rest of the developed world. The impact of faster speeds on productivity, the article points out, is the “the difference between thriving and surviving.”
5. Wondering how to make sense of all this digital, social, and mobile activity? See this roundup of 2013 digital media scholarship from John Wihbey. One article examines gender and language use on Twitter, and finds that women use higher levels of first person plural and first person singular pronouns, intensifiers, and emoticons in their speech.

Weekend fun: Have 23 minutes to avoid your in-laws if you’re at home or avoid your work if you’re stuck in the office? Try this compilation of ridiculous/hilarious/profane Vine videos.

Every Friday, find five, highly subjective links about compelling technologies, emerging trends, and interesting ideas that affect how we live and work digitally.