AppExchange App Development Best Practices

AppExchange is one of the online application marketplaces for third-party applications that run on the Force.com platform. Launched in 2005, the Salesforce AppExchange has over 5000 solutions to extend Salesforce functionality to any department, and 6.5 million installs already.  You might already know about AppExchange, or you got to know about it now? But do...