Copying ideas and adding a 'for X' just feels too simple. I mean, there's gotta be more to a startup's success than that. Look at Instagram—it started as a copy of other photo-sharing apps but focused on the mobile experience when it wasn't a big deal, and bam, Facebook bought …

The market will adjust naturally. Some subs will survive 'cause they're indispensable, others will fall away. Natural selection, startup style.