As of January 1, 2016, Gapers Block is on indefinite hiatus. The site will remain up in archive form while we evaluate our options, which may include a redesign or sale.
✶ Thank you for your readership and contributions over the past 12-plus years. ✶
Sunday, July 31
This week's issue of Crain's Chicago Business contains their annual "Focus: Market Facts" feature, chock full of demographics and data ranging from It's all downloadable online in PDF format, and this year they've added an interactive map that allows you to zoom in on a particular neighborhood and check out how strong the demand for mp3 players is, for instance.