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 [...]

I got a note form the Minneapolis Homeschooling Examiner saying “Just saw that you’re Lisa Jo Rudy too. I thought I was the only examiner to have all my articles eaten by her profile!”
Confused, I headed over to examiner to look up this Lisa Jo- was she stealing my articles?  Hardly- she writes about autism [...]

Examiner.com recently announced that they’re providing another “perk” for writers.
You and your family now have access to a variety of discounted private health plans! Available through a new partnership powered by JLBG Health, this program is the go-to resource for finding affordable coverage and sound advice. With live help just a phone call away, [...]

If you’re planning to write for Examiner.com, there are a few things you should look at.
#1- your topic. Do you have enough ideas to create at least an article a day in your topic area? They used to require 4 articles a week but now the requirement is that you’re not PAID unless [...]