Do non-tech demographics delete unused apps or just let them pile up on their phone? It seems to me the biggest barrier to entry is getting people to go to an a

Do non-tech demographics delete unused apps or just let them pile up on their phone? It seems to me the biggest barrier to entry is getting people to go to an app store and make the initial download, in which case getting them to come back wouldn't be all that hard with a well marketed upgrade assuming the app is still there.