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We haven't written much about TIBCO's enterprise social media tool tibbr since a year ago. But they have interesting news, including updates to the service, that they are announcing today with v3.5, scheduled to be available next month.

Go ahead and check those work emails on your smartphone: a new study says it's time spent checking Facebook and other "personal" social networks that is stressing you out.

It gets worse: the more times you check your smartphone, the higher your stress levels. The study also suggested people who are used to getting lots of text messages and push notifications on their phones will feel stress levels rise if they hit a stretch where their phones are silent. In the worst cases, study subjects experienced "phantom" vibrations when, in fact, they had not received an alert.

Klout has caught a lot of flak lately about privacy and much more. To which they've responded by allowing users to opt-out of data collection. If you already have a profile, the company says you can delete it. But Hollis Tibbits of Social Media Today says that Klout isn't allowing users to delete profiles after all. What gives?

Hollis says that he deleted his Klout profile, then went back and signed up again with his Twitter handle. Tibbits says that the "only logical conclusion is that Klout kept all my profile information and account linkages."

The team at Socialize has released a new action bar that centralizes the user interface of its mobile engagement platform. Developers can now drop the Socialize SDK into their app and create an bar where users can interact within the app through Facebook, email, text and Twitter and also use in-app commenting.

The new action bar can either be a stand-alone feature within an app or developers can strip the UI from the bar itself and just place the functionality of the action bar within an app. As the Socialize SDK is open source, developers can add the social engagement layer that the startup provides in whatever way they want. This is a significant step for the startup but the team has more up its sleeves coming soon.

Mobile ad network Tapjoy is in the process of changing itself from a business-to-business company to a consumer application discovery tool. In that vein, the company announced this morning that it is partnering with PapayaMobile to create a social marketplace for apps that will allow users to see what the popular Android games based on what their friends are playing.

Essentially, it is the merging of two SDKs -- the PapayaMobile social community mixed Tapjoy's in-app marketplace. The idea is to create higher engagement levels so Tapjoy can target more relevant ads at users and developers can increase their bottom lines.

We written frequently about corporate microblogging tool Yammer and today they have made the digital equivalent of the Louisiana Purchase. This is a major land-grab for the company and an example of how wide they can extend their service into a variety of other nooks and crannies of our online lives. The announcement concerns six new partners and three new features.

Another day, another social network. This time it's a oddly named outfit called Unthink that has set its sights squarely on Facebook and Google Plus. Unthink promises to "emancipate social media," but do most users really feel enslaved in the first place? The new social network has good things to say, but the complexity and approach may not be the best way to unseat Facebook.

Both Podio and Mzinga have announced major updates to their enterprise collaboration and social streaming services this week. While they operate at different price points, this is yet another indication of product maturity in this space.

First is Podio, whom we included as one of our 2011 startups to watch from last December. New this week is what they call Employee Network where everyone from the same company will automatically be joined, and only those with a verified domain email address can get access. This gets around the startup effort to promulgate Podio across the company. They also made changes to their pricing model too.

Many of us remember when the new fangled fax machine was first called a telecopier and was going to revolutionize office communications. How far we have come since then. But with all the various waves of tech to revolutionize our offices, I think we have almost come full circle back to the lonely telephone. (You can still buy one at Amazon, of course.)

If you can't afford big-time analytics price tags, you might want to take a look at the CaptureSMB service from 44Doors. The company announced this lower-priced SMB version today that is easy to use and set up campaign management tools. You can create individual micro-sites with a variety of tracking tools and automatically generate QR codes and short URLs to analyze your visitors' behavior and traffic patterns across mobile browsers and various social networks.