This morning there was a wad of good introductory / explanatory articles in AdAge that I want to share with you (in case you are not reading AdAge – which, if you are a communicator, is inexcusable).

This wee little piece is about some common misconceptions about the various Social Media and will explain the different varieties – networks, blogs, microblogging, …

If you are unclear about what mobile marketing means, have a read here.

Look no further if you need to find out what OpenID is.

Not sure what SEO and SEM means, and what the difference between the two is? This article will shed some light on the issue.

Want to maximise your digital advertising impact? Read here for some tips how to achieve that goal.

This post is about the challenges marketers face when trying to utilize the power of Social Networks. Essential reading for communicators!

And finally: some thoughts on shared and private media experiences. I don’t think that our media experiences will be private only, but that we are still sharing them. However, they will be (and increasingly already are) on our own terms and schedules. The magic of word-of-mouth will still drive people with common interests to contents and media that connect them.

As usual, you can also find all these articles in my del.icio.us bookmarks.