Mobilisafe , the stealthy Seattle-based mobile security startup with $1.2 million in funding from Madrona Venture Group and Trilogy Equity Partnership , is opening up access to its private beta program today (invite link below) for a handful of TechCrunch readers. In addition, the company is revealing new insights it gained during its private beta period related to the penetration of mobile devices in the SMB market – the area which happens to be the startup’s current area of focus. Much of the current analysis on the consumerization of I.T

New data from Nielsen released this morning takes a look at the typical U.S. smartphone user, specifically their age and income, as well as the penetration of smartphones into various demographic groups. Data like this can help developers, publishers and advertisers better understand who owns a smartphone, but it can also help to determine if the devices are successfully penetrating the low-end income brackets thanks to lower price points

Editor’s Note:  TechCrunch  contributor  Semil Shah  currently works at  Votizen  and lives in Palo Alto; you can follow him on twitter  @semil They say hindsight is 20/20. By now, everyone knows about the fastest-growing site on the web

In case it wasn’t already clear to you that later-stage social, mobile and deal-oriented companies led venture fundraising last year, here’s some analysis of CrunchBase data that drives the point home, courtesy of Alexey Tolkachiov at BuzzSparks.org .

Search engines like Google scour the web to figure out how to rank content. Measurement firms like comScore sample users to estimate traffic to web sites. But what if you want to know which of some 2000 technologies a web site is using?

There’s a referral traffic goldmine on Facebook, and today 13 more news outlets are staking their claim. The Daily Show, MSNBC, Buzzfeed, and The Huffington Post are launching Facebook Open Graph reader and video watching apps today or soon, Facebook just announced

Israeli company BIScience has a launched a new product called AdClarity , which it says will give advertisers more data than they’ve ever had about their competitors’ advertising plans. CEO Orey Gilliam notes that the online advertising landscape has evolved to the point where there’s rarely a direct link between advertiser and publisher but rather “a complex deployment chain of ads.”Take your normal banner ad. Just by looking at it, you can tell who the advertiser is, and the publisher, but the intermediaries — the ad networks, agencies, and affiliate networks — aren’t apparent, leaving you in the dark if you really want to understand how a campaign was executed.

Despite its long and boring name, Cisco’s “Visual Networking Index (VNI) Global Mobile Data Traffic Forecast Update” is one of the more fascinating data-filled reports you’ll read this year.

As more brands turn to third-party social media management tools, companies like Shoutlet and Vitrue continue to add new features and integrate more services into their applications. Both companies released significant product updates in the past week making them worth another look for marketers who might be interested in tools for publishing, monitoring, analytics and app development. Shoutlet Social marketing software provider Shoutlet announced several additions to its platform today to help marketers schedule posts, launch applications and maintain customer profiles.

The Linux Foundation today posted their first ever Linux Jobs Report , created in conjunction with tech job site Dice.com. The report examines the current demand for Linux talent, and identifies a few interesting trends. Of the 2,300 survey respondents, eight in ten said that hiring Linux talent is a priority in 2012, and more than half of firms surveyed said that they’re increasing Linux hires relative to jobs created in other skill areas