SlideShare
WordPress
Blogger
Posterous
Tumblr
Lotus Connections
What is it?
The world's largest community for sharing business presentations and documents.
A personal publishing platform with a focus on aesthetics, web standards, and usability.
A blog publishing service that provides individual or multi-user blogs with time-stamped entries.
A simplified blog platform that supports posting via email.
Effortlessly share anything. Post text, photos, quotes, links, music, and videos from your browser, phone, desktop or via email.
A suite of powerful tools that let you connect, share, and collaborate with people who share common interests and expertise.
Is it free?
Get a free account to upload and share. Or go Pro to get more.
The basic service is free. However, WordPress displays ads on your blog to defray the costs to maintain the service. To go ad-free, you can pay a fee of $30/year.
The blog publishing tool from Google is free.
Currently a free service. Posterous will be adding premium features in the near future.
Basic themes are available for free. A premium account offers custom themes and features.
Lotus Connections is free for all users registered on ibm.com
Who can join?
Anyone can join.
Anyone can join.
Anyone can join.
Anyone can join.
Anyone can join.
Anyone can join.
Can I upload and share files?
Supports PowerPoint, OpenOffice or PDF presentations.
Supports images (.jpg, .jpeg, .png and .gif) and documents (.pdf, .doc, .docx, .ppt, .pptx, .odt, .xls, .xlsx). Upgrades can be purchased to support audio and video files.
Video, images, audio, and podcasts.
Handles most file types and automatically formats them.
Audio, video, and images.
Supports documents, spreadsheets, presentations, and other types of files.
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