How does Zapier order items from multiple RSS feeds when no publish date is available in the feed? I imagine that feeds with high churn, like that of hacker news, would be tough to mix with those that update more slowly, like a blog.
As a mechE, I was brought up on Matlab. We were taught to use ii, jj, kk... as our index variable names. Many years later, I still prefer them to i, j, and k.