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His worrying about where a pot came from, what period it dated to, and what that meant to the other objects buried with it was light-years away from the ideas represented in this photo dated to 1800, in which "Egyptian pots" was considered enough information for the thinking man.
Petrie was a scientific archaeologist, probably close to our first example.
Misbehaving users are a continuous battle, Maxim says, especially on a free site like Ok Cupid.
Preventing these types of misuse and play is a big job for online dating companies.
Identifying problems and deciding how to fix them is crucial for users looking for love, but now it's good for business, too.
"The users have an expectation of how the site is going to work, so you can't make big changes all the time." The biggest problem they face on the tech side, Maxim says, is to make sure everyone can find somebody.
In their algorithm that matches users with one another they use match percentages, which basically quantifies how much users have in common, along with their popularity and in-box messages.