minimal social media usage

It's taken awhile, but I think I have narrowed down the social media sites I want to use to evaluate the tourism stops in New Bedford. This is probably change. I would love to hear any thoughts out there!?

1. Facebook/LinkedIn {some social networking site with profiles}

2. Twitter {or other miniblogging sites, but this is the most popular}

3. blog {a direct website would be great too, but that's not social media per se}

4. Flickr {or some photosharing site -Picassa, Photobucket, etc}

5. Yelp {a place for reviews & conversations}

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