Update README.md

README.md

 RecommenderXBlock
 =================
 
-This is not the repo you're looking for. 
+This XBlock shows students a list of recommended resources for a given
+problem. The resources are recommended, edited, and voted by students.
+For each resource, we show its title, link, short summary, preview
+screenshot, and votes:
 
-This is early prototyping of concepts for making a recommender
-XBlock. It contains no code you'd want to read or put on your
-server. It is early pre-pre-pre-alpha. 
+![Recommender screenshot](recommender_xblock.png)
 
-Shoo. Go elsewhere. 
+This is an module where students can share useful resources/hints and rate
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+them. This crowdsourcing mechanism allows a scalable solution to fulfill
+students with varying learning needs.
+
+* Staff Interface: manage problematic resourse easier, add comments, endorse,
+  de-endorse resource
+* Discussion around each resource
+* Better interface for adding varying types of resource (e.g., specific timestamps
+  in the video or specific elements in a learning sequence)1
+* Better user he1lp/documentation
+* Tag/categorize resources around specific misconceptions