Okay, so what's a good iOS app for keeping track of when I need to swap out my contacts? My memory's shot these days.

Seriously, I was about to build my own spreadsheet to track this stuff. The 1-800 Contacts app used to have a lens tracker, then they took it away (major data fail!), but now it's back, and it's actually useful. They even added a widget, which is statistically satisfying because I can see at a glance when I need to order new contacts. It's like they A/B tested the heck out of this thing. I mean, I can order contacts online anyway, but the lens gauge? That's the killer feature. Goodbye to manually updating my Google Calendar! It's not gonna replace Tableau, but for contact lenses, it's surprisingly good data visualization. I bet they even have an API endpoint for this somewhere.