This is the purview of the young who have lots of patience and time and who are used to learning by exploration.
Most engineers have neither the patience nor the time.
For many, the day is governed by billable hours and the evening is divided by competing interests. However, if you want to find some information quickly, or if you want to learn about a new service, you are looking for some pointers to speed you on your way. Over the course of developing and writing this column, I have logged on to many different sites and tried a variety of servers. This column presents a compilation of this information, updated to include changes that have occurred since publication and corrected to fix a few errors. There are a few additional site addresses that I have collected along the way, including some that were submitted in letters to the editor.