Share your computer screen with up to 10 people using this new service -- free for both personal and commercial use.

Create a work space for your team, share information, track activity and manage relationships inside and out of your organization across the web. ReadWriteWeb describes the application as "...part enterprise Twitter, part CRM and part Facebook for teams."

The best tool for a PR professional in this interactive age is the Social Media Release. Forget email attachments, word documents and image CDs. PitchEngine is a great tool for sharing news using Web 2.0 tools.

Imagine being able to share pictures of places and things you love using the cinematic quality of a movie and the control of a video game. Microsoft Lab's Photosynth creates an amazing new experience that allows you to share the details of your life in a new way, through pictures.

The best tool for a PR professional in this interactive age is the Social Media Release. Forget email attachments, word documents and image CDs. PitchEngine is a great tool for sharing news using Web 2.0 tools.

I am always interested in new photographic technologies whether they be hardware, software, or a combination of both. Photosynth takes 2D images and combines them to create 3D "SynthScapes".

Can’t afford to attend a seminar? Glean knowledge and insight from presenters around the world. SlideShare allows you to find and share presentations and offers the ability to add audio to make your presentation into a webinar.

Hate printing out PDF forms, filling them out and then mailing/faxing them back? Upload your doc to FillAnyPDF and create a link so it can be completed online.

Love to share fun things from your email? forwardOn is the social network to share stuff from your inbox without annoying your friends.

Learn three important tips for maximizing online user engagement through the use of "Like" and "Share" buttons.

Sharing files just got easier. Open your browser, drop a file in and receive a url to share with recipient of your choosing. Files are hosted until you choose to delete them.

If you're concerned you're missing out on some of the link gold that's passing through your Twitter and Facebook streams while you're not around, this site captures and analyzes all of the urls your contacts share, and filters them for you based upon your known interests.

This free social feed reader allows you integrate your Tumblr account and any blog you follow into your RSS feeds. Upon doing so, you'll be able to +1 and share stories on Google+ , Facebook and Twitter right from the app.

Document, organize and share noteworthy items you find on the web. Create and share your own pinboard to plan an event, decorate your home, organize recipes and more.

If you miss the good old days where people showed affection by exchanging hand-crafted mixed tapes, this music site is for you. Find theme based mixes created by Facebook friends, follow like-minded members or share your own tracks.

Use this service to create 15 second video updates with your Android or Apple smartphones. Distribute across multiple platforms such as Facebook, Twitter and YouTube for instant video status updates

There's a wealth of content available on YouTube, but you're not always in the right setting to watch everything you want to see. Luckily, you can save content to watch later. Find this option on YouTube under the "add to" icon below the video window. For embedded videos, select the plus sign on the menu bar at the bottom to add to your "Watch Later" list.

Write tweets between 120-130 characters in length and place your links approximately 25% of the way into your tweet to increase the number of clicks you'll receive on Twitter.

This socially intelligent Facebook app allows users to dive into the vast amount of anonymous information people share. Use it as a polling tool to compare audience segments, brands, political leanings and more.

A great, free web-based application that allows for quick collaboration. Hang out with up to 5 people, take notes, with file and screen sharing coming soon.