Over at Medium, Kesh Anand has a crisp answer, or rather five possible five answers, to this questions: "Where are all the time travelers?" Of course, it's very possible that there just aren't any. And that's Anand's fifth answer. The others four are more fun to consider:
1. They’re not visiting your time period.
2. They’re hiding in plain sight.
3. You think they’re crazy.
4. People experience the past without leaving their own time.
And for the last word, here is some old wisdom from Britney Spears and Kevin Federline: