A soon-to-be posts (hopefully)

If they don't turn out to be a post, at least post the research links.

Each idea should be (at most) one sentence. If I can't explain it in less than 72 characters, then I'm doing something wrong.

The list

explorative, confidence-inspiring math exercises
how git blame works
displaying diffs in vim (before the line number)
- vim-gitgutter
wonderful blogs
a tdd'd web-based and gist/localstorage backed markdown editor
- not tdd'd, but still kinda sweet: chrome-newtab-notes
focusing (my little idea)