More buttons on the Web like these, please!

For an example see this page: http://www.upworthy.com/the-7-warnings-from-gandhi-in-the-final-hours-of-his-life

Another example: http://www.upworthy.com/when-a-poor-person-does-this-its-called-abusing-the-system-when-an-oil-company-d

And another: http://www.upworthy.com/could-this-be-the-most-upworthy-site-in-the-history-of-the-internet

I like both the floating SHARE box in the upper right hand corner of the page AND the solid FACEBOOK, TWITTER, and PINTEREST pages at the bottom of every Upworthy page.