My way of coming up with the number of ecommerce websites was to sum up the publicly advertised number of stores from the top 10 most used ecommerce platforms. (blog.rjmetrics.com)
Can anyone come up with numbers for the different sections. (nextleft.org)
Just how scientists came up with this number, and how exactly we achieve this target is for them to know and you to find out. (treehugger.com)