04/20・25 SE what i have learned

-google books
    create My Library
-google images
    choose size
-google leader
    learned how to add web pages
-instapaper
-evernote
-online database
    Lexis Nexis
    JSTORE
-zotero
    sync
    tag ( I've just learned the difference between a folder and a tag. Now I clearly understood!!)
    add new file
    My Library

Actually, Rab helped most of the works for me today.
Thanks!
I know I should review the works later for myself...