The conversation between human and AI assistant.
I need to buy Google Glasses, would anyone have any they'd like to sell?
Yes, please provide some links.
Here are some options I found: 
- https://www.ebay.com/itm/Google-Glass-Explorer-Edition-XE-C-Charcoal-Black/224552879159
- https://losangeles.craigslist.org/wst/ele/d/los-angeles-google-glass-expedition-xe/7354915727.html
- https://www.ebay.com/itm/Google-Glass-Explorer-Edition-XE-C-Charcoal-Black-NEW-SEALED/303906037103