Social Computing Magazine has put together a list of the Top 10 Web 2.0 Technologies for Getting Closer to Your Customers. Check out the list below.
1

Interaction is a kind of philosophy action that occurs as two or more objects have an effect upon one another.
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2

Personalization is tailoring a consumer product, electronic or written medium to a user based on personal details or characteristics they provide
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3

RSS is a family of web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts
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4

User communities
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5

A blog is a website where entries are written in chronological order and commonly displayed in reverse chronological order
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6

A social network service focuses on the building and verifying of online social networks for communities of people who share interests and activities, or who are interested in exploring the interests and activities of others, and which necessitates the us
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7

Search engine optimization is the process of improving the volume and quality of traffic to a web site from search engines via 'natural' search results
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9

A wiki is a collaborative website which can be directly edited by anyone with access to it
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