use use-package for Smex
use use-package for bookmarks
use use-package for yasnippet.
allout through use-package.
zapping back and forth to functions.
powerline via use-package
UI packages from ELPA via use-package
highlight-symbol via use-package
kill ring enhancements via use-package.
undo tree via use-package.
grep via use-package
Markdown mode via use-package
ruby mode via use-package