Top Three in Thirty: July 30, 2018

Days after Facebook's value dropped over $123 billion, Twitter shares dropped 20% and they reported a loss of 1 million monthly active users. Is this the end of an era for the OGs of social media?

Walmart has partnered with Google’s driverless car company, Waymo, to bring shoppers in Phoenix to and from their stores. Hopefully these rides will be safer than when Uber tested driverless cars in AZ.

Last week scientists discovered a body of salt water underground on Mars. If correct, this could help the theory that there is in fact life on the Red Planet.