Real Time Web Twitter List by ReadWriteWeb on Listorious

American Red Cross

Official twitter stream for the American Red Cross. Follow us for disaster and preparedness updates.

635,142 followers | Follow

Beth Kanter

Let's talk about networked approaches & social media for training and capacity building for the nonprofit sector that leverage learning and impact.

404,681 followers | Follow

Jay Rosen

I teach journalism at NYU, direct the Studio 20 program there, critique the press and try to grok new media. I don't do lifecasting but mindcasting on Twitter.

76,969 followers | Follow

Chris Messina™

Bachelor of Arts. I work at Google. #godfather (http://nyti.ms/lJ6Kdj) I am not the actor. http://wiki.factoryjoe.com/140-Character-Bios

36,688 followers | Follow

Kevin Marks

Reading your thoughts. if you write them first.

17,738 followers | Follow

John Borthwick

CEO @betaworks

17,270 followers | Follow

Steve Gillmor

13,051 followers | Follow

Swaylo

A new and powerful influence has arrived: Yours.

12,285 followers | Follow

Aardvark

Aardvark discovers the perfect person in your network to answer any question in minutes.

11,803 followers | Follow

sysomos

Leading provider of social media analytics. Enabling Business Intelligence for social media.

8,797 followers | Follow

OneRiot

OneRiot: socially targeted mobile advertising. For agencies, media buyers, ATDs and DSPs. Email us at theteam@oneriot.com

8,348 followers | Follow

Brad Fitzpatrick

hacker, drinker, gopher.

7,107 followers | Follow

betaworks

We build and invest in great companies.

5,702 followers | Follow

BackType

Marketing intelligence company with funding from Y Combinator, True Ventures, Lowercase Capital and more. Acquired by Twitter in 2011.

5,647 followers | Follow

TweetMeme Technology

Tracking Twitter Technology Memes

5,620 followers | Follow

Adrian Chan

Social media design and strategy specialist and consultant making media work better socially. interaction expert. IxD, UX, Sr Fellow SNCR.org

5,240 followers | Follow

TIBCO Software

Official Corporate News

5,110 followers | Follow

PostRank

PostRank is a real-time engagement monitoring and analytics platform for web content. We are now part of the Google team!

4,977 followers | Follow

Urban Airship

We power mobile apps. We make your push notifications and in-app purchase work and we give you data to measure engagement. urbanairship.com/company/jobs/

4,808 followers | Follow

Victor @ Mendeley

Mendeley organizes your research and connects you to the world's largest collaboration platform for academics. Also see: @MendeleyTips and @MendeleySupport

4,558 followers | Follow

DeWitt Clinton

Googler, mostly

4,349 followers | Follow

Collecta

4,222 followers | Follow

Marnie Webb

connecting people so communities can make change.

3,784 followers | Follow

twingly

http://blog.twingly.com

3,276 followers | Follow

superfeedr

Real-time feeds, XMPP and PubSubHubbbub!

2,949 followers | Follow

Echo

Real-time web platform powering 1 billion streams per month for social TV, social music, social news, social sports and social commerce.

2,660 followers | Follow

YourVersion

We like to tweet (especially with our users), so talk to us! Follow us for #DailyFind links and all the latest news from YourVersion.

2,492 followers | Follow

Ted Roden

I enjoy doing things and making things. Founder of @fancyhands

2,125 followers | Follow

Olark - Live Help

We make it easy to talk to the people on your website.

2,051 followers | Follow

VLAB

The MIT/Stanford Venture Lab (VLAB) is the San Francisco Bay Area chapter of the MIT Enterprise Forum.

2,050 followers | Follow

evri

Evri is a topic-based newsreader that lets you personalize your news discovery experience: http://itunes.apple.com/us/app/id448520587?mt=8

1,962 followers | Follow

Cliqset

Cliqset - Discover. Share. Discuss.

1,444 followers | Follow

CitySourced

CitySourced is a Real Time Civic Engagement Platform. It's Your Community!

943 followers | Follow

Lexalytics

Provider of sentiment and text analysis software for social media and reputation management companies.

938 followers | Follow

Kimba Labs

A different breed of startup.

936 followers | Follow

PBworks

PBworks (formerly PBwiki) is one of the biggest hosted collaboration providers on the planet with over 1.3 million groups! Follow @pbworks/team to hear more.

857 followers | Follow

Wowd

Wowd is is a social media tool that helps people organize their social lives on Facebook. It’s the smart way to end social information overload.

821 followers | Follow

PubSubHubbub

An open protocol enabling the real-time web

777 followers | Follow

Talk About TweetMeme

All about TweetMeme... Conversations and News from TweetMeme!

710 followers | Follow

nomee

653 followers | Follow

Nozzl Media

This account is no longer being updated. Please follow Nozzl at @Nozzl for company info or its news outlets: @NozzlNews, @NozzlSports, @NozzlLife or @NozzlBiz.

438 followers | Follow

FirstRain

The FirstRain Business Monitoring engine cuts through the clutter of the consumer Web and Unlocks the Business Web for busy business professionals.

377 followers | Follow

enjoysthings (Ted)

@tedroden posting http://enjoysthin.gs stuff... and whatever else comes to mind

340 followers | Follow

kaazing

Kaazing Corp.

304 followers | Follow

FAROO

FAROO combines Real-Time Search & Peer-to-Peer Search. Users build a distributed index & crawler. FAROO uses attention based ranking.

266 followers | Follow

Black Tonic

For Creative Pro's. Real-time presentations via the web. Simply. (aka never email a PDF again.)

195 followers | Follow

AllVoicesIntl

All Voices International is the foreign language script translation, voice talent and production resource for all aspects of communication in 40+ languages.

176 followers | Follow