Ogden, Utah-based TechMediaNetwork, the online publishing firm that runs TopTenREVIEWS.com, SPACE.com, LiveScience.com, Newsarama.com, LifesLittleMysteries.com, iPadNewsDaily.com and TechNewsDaily.com, is saying today that it is now number four on the list of tech new web properties, based on numbers from comScore. The publisher said it had 13.2 million unique visitors in April across all of its web sites. TechMediaNetwork has been aggressively acquiring and launching a number of technology and related news sites which are focused on consumers. The firm launched LifesLittleMysteries.com earlier this month, launched TechNewsDaily in APril, and acquired Space.com last October. TechMediaNetworks is venture backed by Highway 12 Ventures and Village Ventures, and was originally known as TopTenREVIEWS before the start of its acquisition spree.