Searching Twitter and other Social Networks
http://people.hws.edu/hunter/twsearch.htm

Advanced Twitter Search- https://twitter.com/search-advanced

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Select: Positive :) Negative :( Question ? Include retweets

Hashtagify.com http://hashtagify.me/ Hashtag search engine with Related Hashtags, Popularity and Wall

Keyhole.co http://keyhole.co Search TW and Instagram; filters by location; Tagcloud of related terms

SEARCHING FOR BLOGS

IceRocket http://icerocket.com Check for feminist as an author

List from Answer Engine Quora:

https://www.quora.com/What-are-the-best-feminist-blogs-or-news-sites

Google Search - allintitle:feminist blogs