Gameshift.net - games, technology reviews.
I can post a review of your product for technology category. I can review a game, a smartphone, whatever is a technology product.
I usually write 3 posts per day, my website / blog has been running since 3 years and has an average of 4,000+ unique visitors per day.
Limitations - What the blogger will and will not write about.
No ilimitations, just category.