Roundup articles are a little like “freebies” for web content writers.  Presumably you’ve been writing in the same niche for a while and have several articles about a few very precise topics.
A roundup article is basically a compilation of all those articles, with links to several of them.
An example of one of my roundup articles [...]

Almost a year ago, I wrote about my Suite101 earnings, because one writer made $5000 in a month and they finally told us we were allowed to discuss our income.
I’m revisiting that topic this year because the industry has changed a little, so have my earnings and my writing habits and Suite101’s best practices
My Suite [...]

What- did I really just say that? The entire internet itself can’t hate someone, and why would it pick on little old me? Please, say it ain’t so.
It might be… If you’re not ‘feeling the love” from the energy you put into your niche blogs, there might be a reason.
Over the past 3 years in [...]

I know you skim over marketing emails, too. 90% of them are just spam- designed to remind you that you once thought something was interesting enough to add yourself to an email list. But the fact is, for me anyhow, that if I don’t buy it right away, chances are that I won’t even [...]

I absolutely love Facebook’s Activity Feed for web developers.  it creates a sidebar widget that you can use to see which of your blog posts are being “shared” most often on Facebook.
I created one for a client’s website and it was so easy, I decided to do a few for some of my own sites.
All [...]