| http://www.w3.org/ns/prov#value | - Ben Popper / VentureBeat: No ads here: Tumblr now charging $1 to ???highlight??? blog postsSarah Perez / TechCrunch: Tumblr Now Lets You Highlight Your Favorite Posts For A DollarMG Siegler / parislemon: Paid highlighted posts is a great idea.
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