iOS Pick: Atlas Recall
Leo Laporte's app cap on iOS Today 330 is Atlas Recall. This is for Mac and iOS only, but eventually will work across all of your devices and operating systems. This runs in the background on your computer, and remembers everything you do including sites you visit, messages you read, and more. It creates a visual and searchable index of everything you see.
You can search Atlas Recall from the Mac's Spotlight search, or right alongside your Google search results using the browser plugins for Chrome and Safari. It's also easy to share files, emails, webpages, and more after you search.