About All Those Active Google+ Users …

Sometimes I feel like it would be easier to find the Fountain of Youth than get apples-to-apples metrics about Web site and app usage.
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Social Networking Users Say They Want More Control Over Their Info

Online privacy is not just for wonks any more. Lots of people say it’s important to them — especially when researchers come asking.
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Whither Google+? Approaching 50M Users, but Not Being Mentioned in the Same Breath as Facebook Anymore.

Google+ user registrations shot up dramatically last week, according to Ancestry.com founder Paul Allen, whose external measurements of usage of the service have proven to be quite accurate so far.
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Sharethrough CEO on Why You Should Care About Social Video Ads (Video)

Sharethrough is a new kind of ad platform: One focused exclusively on video and social sharing. Basically, it guarantees it can get your funny ad a lot of views.

HTC Shows Off First Tablet, Android Phone With Facebook Button and More

HTC became the latest company to “friend” Facebook, showing off a pair of Android phones that have a button for connecting directly to the social network. It also used Mobile World Congress to show off its first tablet and other Android devices.

Twitter CEO Dick Costolo Says Company Needs to Unify Its Experience Across Devices

In addition, Costolo announced the company will offer crowdsourced translations of the service into Russian, Turkish and Indonesian. Also doing own translation to Portuguese later this year.

Fun With Mobile Stats: Holiday Edition

Zillow and eBay offer up some year-end stats on mobile visits. Read on to find out which site saw record mobile traffic on Christmas and the day after.

News Byte

Tumblr Still Stumbling

Tumblr, the micro-blogging service that boasts astonishing growth stats and a big new funding round, now has something that it doesn’t want to brag about–a tech problem that has kept it dark for close to a day. Tumblr says it has been dealing with “an issue in one of our database clusters,” and promises to be back “shortly.”

Millions and Billions: Apple’s Music Event by the Numbers

Apple events are typically heavy on metrics, and yesterday’s affair was no exception. In fact, it was more abundant with the stats than most I’ve seen, with CEO Steve Jobs trotting out quite an array of big milestone numbers with which to mark the company’s achievements. After the jump, a list of most of them.

Another Google Gift to Publishers: Slideshow-Ready Stats!

Content-making is hard work. Here’s a helping hand.