This may be considered an invasion of privacy. Also, a complete history, even obscured in averages, may be too much information for people to give out.

Hmm... We already have last here. Howsabout adding a (hidden) number to store the last here when it gets updated (by the calculation, and only on login, and only once per calendar day), and simply report next to the current last here, if it is greater or less than the last "last here."

For example, say i don't login for the weekend, so just before i do, my last here is ~2.5 days. When i login on Monday, the "2.5 days" would be stored (and hidden), my last here would show 0 seconds, and "less than". When i logged in on Tuesday, "1 day" would overwrite the (hidden) 2.5, and it would show 0 seconds "less than", and so on. On Sunday, my "last here" would show "2 days" and "greater than." This hides the login schedule, but shows a enough info about the last two visits.

OTOH, we could rename the site to perlbook.org, add a friending system, and replace the voting system with a "like"ing system. PB, would now be famous again (all due respect to Marcellus Gilmore Edson,) and the IPO would generate billions. With that kind of money, we could put out Perl 6 and pay a full-timer to tell everyone why the site should not be updated.