Uber vs ZipCar. What do they both have in common?

Uber vs ZipCar About UBER 2009 YEAR FOUNDED 2000 PRIVATE COMPANY PUBLIC SAN FRANCISCO HEAD QUARTERS BOSTON 300 EMPLOYEES 700 PLUS UBER.COM WEBSITE ZIPCAR.COM EVERYONE'S PRIVATE DRIVER WHEELS WHEN YOU WANT THEM Web Rank + Mobile Rank GLOBAL RANK Best Chart Rankings #1 in Travel #64 in Top Apps 25,657 UBER -00 Suer 7 16,385 US RANK Best Chart Rankings #72 in Lifestyle 7,118 UBER 4,246 Traffic Sources Over 50% Traffic for both is 55.67% 60.39% Direct 85.41% of Traffic UBER 14.00% 80.43% Social Traffic Referrals 17.21% 19.65% 14.19% 32.69% Social Traffic Search UBER 8.47% 89.4% 7 Search Traffic Social 2.78% is Organic 2.19% Uber's Leading Referring Site 2.30% craigslist O Email 0.01% 3.13% 13.98% A Social Traffic You Tube Display Ads SS SocialStrategi.com