LinkedIn

LinkedIn announced Signal not too long ago and now it's available to anyone in LinkedIn Labs.

'LinkedIn Labs' Showcases Experimental Projects Kristin Burnham 2010

Over 43 million people participate in LinkedIn, including 12 million who own or work at a small business.

White House uses LinkedIn as a health care focus group 2009

LinkedIn is by far the #1 spot for job seekers, those currently employed, marketers who are looking to build lists and salespeople who are seeking out new clients, according to Me 2.0 author Dan Schwabel, who notes it has 35 million users including recruiters and job seekers.

Women Grow Business » 2009 » March 2009

In addition to company-specific funds targeting Facebook and Twitter, there are such funds buying shares in LinkedIn, Zynga and Pandora Media Inc. on SecondMarket, Mr. Oliveri said.

Funds Pitch Access to Possible Dot-Com IPOs Tomio Geron 2010

In addition, Linked In lists a Roxana Mayer — who, according to LinkedIn, is slated to graduate from the University of Houston with a Masters in Social Work in 2010.

‘Doctor’ at Jackson-Lee town hall: lying, and defensive about it. - Moe_Lane’s blog - RedState 2009

Within LinkedIn, for example, there are numerous construction-oriented groups (though many, particularly in the current economic climate, have become dominated by recruiters and people looking for jobs), and there are several AEC networks using Ning.

Ten things to manage in a recession: 1 – memberships « pwcom 2.0 2009

Judging from feedback among some of my AEC contacts (see also Blogs, Twitter, social networking: your new businesstools), LinkedIn is growing in importance as a means of professional networking, as are some AEC-oriented networks, blogs and discussion boards, and some firms are already noticing significant improvements in their website search engine performance through deployment of blogs, RSS and Twitter.

Resistance is futile! « pwcom 2.0 2009

Judging from feedback among some of my AEC contacts (see also Blogs, Twitter, social networking: your new businesstools), LinkedIn is growing in importance as a means of professional networking, as are some AEC-oriented [...]

Blogs, Twitter, social networking: your new business tools « pwcom 2.0 2009

It will almost certainly result in LinkedIn displaying more frequent status updates from people who already use Twitter.

Will LinkedIn integration take the Twitter Blinkers off? « pwcom 2.0 2009

With executives from all Fortune 500 companies as members, LinkedIn is a virtual community of 65 million.

Today's job seekers add 'social' to networking 2010