I know some couples make signs for instagram sharing, etc. I found a DIY camera box online that you just print and assemble. I'm going to have cards printed for an app that guests can download on iphones and androids to upload pics to put inside and sit one on each table.
For the full effect, I put my business card inside
![](https://cdn0.weddingwire.com/usr/9/7/6/6/cfb_68658.jpg)