You can add meta data by typing right into the pin form. Before, you could add price by typing $, but now you can tag a person who might enjoy seeing the pin or add #hashtags just like Twitter.
@Mentions - Have you ever been pinning and wanted to send that pin to a friend you know would love it? With the new pin form, you can type @ and notify a friend about a pin. This is perfect for quickly sending that perfect product, recipe, or piece of art to someone you know.
#Tags - Tags are useful, but we thought clicking into a new tag field was just too much work. With the new form, add #tags just like Twitter. Two word tags should be written like this: #two_words.
$Price - Price is useful and now we’re happy to support Dollars, Pounds and Euros. Type $, €, or £ and Pinterest will add that data to your pin
Could be useful for students since there's tagging support
