In their continuation of what online marketers know about you, the Wall Street Journal reports on groups scraping pages and services to reveal identities and link pseudonyms to real names. “Social networks are becoming the new public records.” My rule of thumb: if I put anything on the Web, I’m assuming it’s public.
Scrapers dig deep for data on the Web
Where Bars Outnumber Grocery Stores
A closer look at the age old question of where there are more bars than grocery stores, and vice versa.
Watching the growth of Walmart – now with 100% more Sam’s Club
The ever so popular Walmart growth map gets an update, and yes, it still looks like a wildfire. Sam’s Club follows soon after, although not nearly as vigorously.
Visualizing the Uncertainty in Data
Data is an abstraction, and it’s impossible to encapsulate everything it represents in real life. So there is uncertainty. Here are ways to visualize the uncertainty.