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Pearltrees is a place to organize everything you’re interested in. It lets you organize, explore and share everything you like.

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Scoop.it enables professionals and businesses to research and publish content through its content curation tool.

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Your life, on the line - Plurk.

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Diigo is a powerful research tool and a knowledge-sharing community

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A simple tool for saving web pages to read later on your iPhone, iPad, Android, computer, or Kindle.

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AuthorSTREAM enables presenters to upload & share PowerPoint, Keynote & PDF presentations online; embed in blogs, convert to video and share on social networks.

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Mix · Learn More.

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Folkd.com - Social Bookmarking - Save your bookmarks and links online and search what your friends like.

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Slashdot: news for nerds, stuff that matters. timely news source for technology related news with a heavy slant towards linux and open source issues.

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This document sharing site enables companies to share pdfs, Powerpoints, and other documents with a brand new audience to generate leads.

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Download predesigned PowerPoint templates, PPT slides designs, PPT themes, PowerPoint slides templates, Slide PPT backgrounds, themes presentation, and PPT model for creating stunning business presentations.

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SlideGeeks offers a wide range of professional PowerPoint templates, PowerPoint themes and icons that can be used across all industries, fields and topics

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Create attractive presentations with our professional PowerPoint templates, slide designs, and themes. Use our PPT templates and slide designs to give unique appearance to your presentation.

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Powershow.com - View, Upload and Share PowerPoint Presentations

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SlideServe is the easiest way to Upload & Share PowerPoint presentations publicly or privately with the world. Topics search, Slideshows, PPT download, Transcript & more

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Download free presentation templates and PowerPoint backgrounds. WOW your audience with free PowerPoint templates: Timelines, Roadmap, Diagrams and more. All free!

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Create engaging infographics, videos, and ebooks for your marketing campaigns. We make premium content creation fast, simple, and affordable.

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Welcome to the Creators Network. Ello is a community to discover, discuss, publish, share and promote the things you are passionate about.

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Download free presentation templates compatible with Microsoft PowerPoint, creative PPT backgrounds and 100% editable slide designs

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Free ppt Templates, Backgrounds, Diagrams, Map and Free Powerpoint Templates, Backgrounds, Diagrams, Maps for you - KEYPPT.com

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Wide collection of free PowerPoint templates and Google Slides themes. Download professional diagrams, charts and maps to create attractive presentations.

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SlidePlayer - Upload and Share your PowerPoint presentations.

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SketchBubble aims at your presentation success with its extensive range of professionally created custom-made PowerPoint slides and templates with instant download & effective pricing; useful for every industry, field, and area.

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Instant access to millions of Study Resources, Course Notes, Test Prep, 24/7 Homework Help, Tutors, and more. Learn, teach, and study with Course Hero. Get unstuck.

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Discover, Share, and Present presentations and infographics with the world’s largest professional content sharing community.

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PowerPoint Design | Presentation Designers | 24Slides.

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The best Powerpoint templates, Google Slides themes & Canva templates for your presentations. 100% Free for any use. Feature-rich designs to download and impress your audience.

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Download free PowerPoint templates, Google Slides themes and backgrounds! We have the best collection of professional templates, charts and diagrams.

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Seeking Premium Powerpoint templates for download? Explore over 3000+ high-quality ppt templates, themes, Infographics, charts, PowerPoint diagram, sales & marketing models quickly at Slidebazaar. Download our professionally designed PowerPoint templates to wow your audience.

The world's largest digital library. Enjoy millions of eBooks, audiobooks, magazines, podcasts, sheet music, and documents. Start now with a free trial.

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Create a world class presentation with our stunning slide templates a fraction of time Check out our collection of Google and Powerpoint presentation templates, diagrams, shapes for your next business presentation ...

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Access 130+ million publications and connect with 15+ million researchers. Join for free and gain visibility by uploading your research.

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Free PowerPoint templates, diagrams and maps for your outstanding presentations. Unique, creative and high quality designs. For business or education.

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Academia.edu is a place to share and follow research.

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Create a free website or build a blog with ease on WordPress.com. Dozens of free, customizable, mobile-ready designs and themes. Free hosting and support.