Yes, ask.com can be considered as Social Media because it is also an avenue for people to converse and interact virtually. This is the core of Social Media, "Interaction" and "Connecting people".
Hope this helps
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Facilitate and be promoted by interactions among people
I dont think you are going to get any social media sites where you can post without any account. Social media means users and to be a user you need an account.
A subset of electronic commerce that involves using social media, online media that supports social interaction and user contributions, to assist in the online buying and selling of products and services.
Dan Hunter has written: 'Amateur media' -- subject(s): Social media, Law and legislation, User-generated content, Internet
That would be a profile on a social media platform where a user's information, posts, and interactions are grouped together under their unique username.
Web development is used to advance internet technologies. For instance, social media sites such as Facebook utilizes several platforms to make it user friendly.
Social Media SitesThere are thousands if not millions of social media sites if you count blogs, wikis, social networks, discussion boards and so on. We can define social media as "community information sharing technologies." The big social media sites you probably know about already: Facebook, Twitter, LinkedIn, etc. These are successful because they provide a unique user experience, and value to the user in some way.You could type this questions into Google and it could also now include youtube.com which is the 2nd most searched site on a daily basis after Google. You might also find Flickr for photograph sharing. You might also consider both business and personal blogs as social media sites as some/most allow you to comment on the original blog post and subsequent comments.
social media design
Social media site registration is generally safe. Threats generally come from malicious software on the user's computer. However, there have been a recent slew of hackings on a number of major companies web sites, mostly gaming based, which has resulted in compromised personal information. There is little the user can do about this however.
Media designed to Facilitate and be promoted by social interactions
Emily Popek has written: 'Understanding the world of user-generated content' -- subject(s): Juvenile literature, User-generated content, Web 2.0, Social media
I would take this question as three popular forms of social media. They would be Social Networking - Facebook, Twitter, Linkedin etc Social Bookmarking - Digg, Stumbleupon etc Blogging - Wordpress, Blogger, tumblr etc