It's rare to come across a service that's directly tackling a problem affecting a large number of people out in the real world, but <a target="_blank" href="http://appcertain.com/">AppCertain</a> is
Following <a href="https://techcrunch.com/2011/12/14/say-media-acquires-readwriteweb/">its acquisition by SAY Media</a>, ReadWriteWeb's COO <a href="http://www.crunchbase.com/person/sean-ammirati">Sea