Wandering means to travel freely.
In 2014, I wrote the ebook "Building an IoT System Step by Step".
On March 9, 2015, I decided to write a "GitHub Navigation Guide", so at the very beginning, I wrote:
My GitHub homepage shows the date I joined—
Joined on Nov 8, 2010, when I was a freshman in college. In the years that followed, perhaps because I wasn't studying computer science, I didn't become proficient in using it. Today—March 9, 2015—I've discovered that GitHub is a social networking site for programmers.
But a long time has passed without any activity. Today is October 24, 2015, and I think it's time to achieve this goal.