These are all impressive stories of entrepreneurship as the companies did not even exist when Obama was sworn into office for the first time on January 20, 2009:

1. Uber, the popular ride sharing platform, started in 2009 and now operates in over 500 cities and worth more than $60 billion.

2. Pinterest, a content sharing service, launched in 2010 and is now worth $11 billion.

3. Wework, an office space provider, also launched in 2010 and is now worth over $10 billion.

4. Snapchat, a social media platform, started in 2011 and the app now boasts 150 million daily active users and is expected to go public in 2017.

5. Stripe, a mobile payments start up, was founded in 2011 and is now worth more than $9 billion.

6. Lyft, a competing ride sharing platform, started in 2012 and is worth $5.5 billion today.

7. Slack, a workplace messaging app, started in 2014, and is now worth $4 billion.