PostUp Acquires Facebook Application Company EchoFon

Posted Jan 9, 2011

PostUp is a Twitter search and advertising company that used to be known as TweetUp. PostUp has acquired Echofon. Echofon is a company that develops Facebook and Twitter applications that is used by about 3 million people. PostUp was incubated at Idealab and started allowing registration for their real-time search engine last year. PostUp also recently acquired Twidroyd and popurls. [TechCrunch]