Marco Arment: Apps Don't Need To Be Free Posted by rwwmike on Tuesday April 26, 2011 @08:49PM from the readwriteweb.com dept. http://www.readwriteweb.com/archives/instapaper_founder_apps_dont_need_to_be_free.php?sms_ss=hackernews&at_xt=4db7680a96181614%2C0 ( 1 comment | 2 points | on HN )