The Gmail API SDK for .NET contains authentication and authorization with Api Keys and OAuth 2. Examples demonstrate a Google Discovery API sample along with web applications, service accounts, and installed applications.
Social learning platform A Cloud Guru helps cloud professionals learn and prepare for AWS certification exams. The platform grew to 40,000 users within 6 months, and its founders attribute that growth to their serverless approach that has influenced the mindset of the entire company.
The humongous amount of data that Twitter generates daily, is spawning a new breed of company that is analyzing the data and providing value-added services on it. While the data mining and intelligence applications are still in their infancy, there are interesting applications that you can use today.