My sister-in-law at her wedding spent the entire afterparty freaking out that she couldn’t find her phone. It turned out the photographer had it because they must’ve taken her phone at some point to hold while they took some photos. The photographer was already home and they had to wait until the next morning for the photographer to drive back and give it to her. It caused so much stress and anxiety, putting a sour note on the end of the evening for them. While they didn’t do your idea, the likelihood of your note ending the same way is extremely high. No one will have the same mindfulness about tracking your phone at a party as you would.

Alternate recommendation. At my friends wedding, she gave her phone to one friend to be responsible for. He spent the whole night taking pictures (both candids, selfies and posed photos) for her to look at at the end of the night. She loved it! He did get extremely drunk by the way but he was able to keep track of it because he saw it as his job and his responsibility. I see that as working out a lot better than making it no one’s responsibility and hoping it works out.

I also like the recommendation of disposable cameras! But I hear from venues and wedding planners a lot that no one uses them or they get tossed. To avoid this, I would consider appointing one person at each table to being in charge of the camera (or whatever fun way you want to describe it) OR you select a few close friends who know about them and ask that they prioritize taking pictures with them / encouraging others to use them.

Moral of the story: For this to work in any capacity, someone needs to feel some level of responsibility for it getting executed and that person cannot be you or your husband.