Even if there is a bubble, what does it mean for the app economy? People making money on facebook, twitter, and the App Store might see sales dip if there's a b

Even if there is a bubble, what does it mean for the app economy? People making money on facebook, twitter, and the App Store might see sales dip if there's a bust, but people aren't going to use free services less. (Although App Store sales won't dip because the app store was built during the last recession). edit: perhaps this seems naive, but please keep in mind I'm only asking about this one small segment.