I like the short and sweet nature of Greg Eisenbach’s Grassroots Innovation blog. In this post, he found a sign at a construction site (Obscenity Alert! It is a construction site, after all.) that highlights the problem of having only one person who knows a process.
As simple as visual controls are in concept, it is easy for them to go awry. Brain Buck shares some of his insight on the subject centered on an amusing picture.