(Updated January 2008)
This section needs work.
This section needs work.
This section needs work. A much more comprehensive directory is provided by About Stone in their Stone Sculpture Virtual Library.
Flickr is The most popular the photo-sharing site. It has a quarter million users and hosts more than 3.5 million images. Flickr members can upload, store and organize photos. They can also use their camera phones to post photos automatically to their blogs. Most photos and albums on the service are public, and users can post tags, comments and descriptions on any public photo. By tagging photos, anyone can create groups of photos that share common tags, such as "San Francisco" or "bridges." Those groups can then be designated public or private. Anyone, even nonmembers, can find photos on the service by searching for tags. And Flickr has a list of the most popular tags, meaning those that have the most photos of specific subjects.
But see wikipedia - photo sharing for more information.
Video sharing sites make it easy to upload videos and have them transcoded to flash or other package for streaming. Some sites offer basic editing features.
See the wikipedia - video sharing for more information. For example note the various practices of retaining copyrights.
Youtube is one of dozens of sites such as MySpace, Yahoo video, and google, but is the most popular due to these kinds of features:
Craigslist is an online service for local classifieds and forums. It covers many cities worldwide. Its unique character is partially because it is community moderated, and largely free. What you will find there is Jobs, housing, goods, services, romance, local activities, advice - just about anything really.
Ebay, Amazon.com, and many other sites let you buy and sell things online.