Here’s our list of this week’s most interesting articles and discussions from across the Web.

Mmmmm, we’re hungry!

Photo-sorting app Pixable allows you to hashtag Facebook photos.

Looking to get more people in your company involved in social media? Start here…

Oprah Winfrey got heat from ratings agency Nielsen after she asked her Twitter followers to tune in to her cable network OWN, especially if they have a Nielsen box.

Social-curation services are red hot, but who’s in it for the long-haul?