Here's an recent egregious example from Craigslist (edited for brevity and to protect the guilty):
We are “XX team,” the unofficial athletic & social club of the [Unnamed Gov't Agency] . Our mission is to help [Gov't Agency] employees and contractors make friends throughout The Agency - and you can help! This is a great opportunity for you to learn about the [Gov't Agency], make valuable contacts – and play softball and/or kickball!
YOUR DUTIES: Your Main Responsibility - We play our games on The National Mall, in the shadow of The Washington Monument. Most fields are on a first-come, first serve basis. Your primary duty will be to arrive at The Mall around 3pm on game days, and “camp-out” on a field until the team arrives at 4:30pm. Feel free to bring a book and a camping chair and work on your tan! Additional Duties - The XX Team also has a need for creative writers, journalists, photographers, web-site & graphic designers. If you have any of these skills (or would like a chance to develop them) let us know! Other Opportunities - After you've joined our organization, you may see opportunities to add value that we hadn't thought of. Let us know your ideas - we may let you run with it!BENEFITS TO YOU: Your internship will take place outside! You'll get to play softball & kickball on The National Mall! You’ll get to make new friends! You’ll learn about the [Gov't Agency] and make valuable networking contacts! And while we can’t promise you that one of your contacts will turn into a job opportunity, there is always that possibility!
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PLEASE NOTE: (!) This is not an [Gov't Agency] internship. We are not officially affiliated with the [Gov't Agency] . We are merely a large club composed of Agency employees & contractors. You will be interning for an extracurricular sports club - not a government agency.
I especially love how they dangle the vague possibility of making contacts that might in some obscure way eventually lead to a job when it's clear that this "internship" holds no more networking potential than hanging out at your local Starbucks or crashing cocktail parties on the Hill.