A good app helps attendees wade through a conference, but most don’t stay engaged with it after the event.

What about their data? Will that stuff stick around after its sell-by date? A thought on privacy in today’s Social Media Roundup:

Give and Take

Privacy issues in meeting apps #eventprofs #assnchat #pcma #mpi http://t.co/206j7KVufu via @ASegar

— Greg Ruby (@GregRuby) April 14, 2014

We get excited about the apps that help our attendees engage with our events, but is there a point where we’re asking attendees for too much—or our developers are?

Author Adrian Segar of Conferences That Work ponders the potential security pitfalls facing users who plug in at your average conference, especially as more apps integrate with third-party platforms, such as Facebook, Twitter, and LinkedIn.

“There’s potential for abuse here,” Segar writes. “An app developer can copy all the information that you expose to them and keep it forever, even if you de-authorize the app from access to the network later.”

He lays out a series of questions you should ask about your own app approach. (ht @GregRuby)

Sip, Sip, Sip

Such a fun idea! –> Now You Know: Hotel and Winery Partnerships – http://t.co/iCHg6JsX2w #eventprofs #hotels

— Social Tables (@socialtables) April 14, 2014

Wine is a great conversation piece, especially for refined taste buds.

And for many hotels, the right kind matters. That’s why, according to Social Tables’ Claire Harrington, CMP, many hotel chains have taken great pains to find the perfect vintage for their clientele. A good example of this is JW Marriott, which has taken to launching a wine club that ships quarterly bottles to their guests after they’ve departed.

“A seasonal rotation of wines can be first tasted via quarterly samplings shipped directly to the member’s address, after which the member selects two 750 ml bottles to be added to their personal reserves,” she writes.

Pretty cool. Just don’t drink too quickly—it’ll go to your head. (ht @socialtables)

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