File sync was hard before cloud software got big. At this point, its easy to build. They are similar to netflix, where their original streaming technology edge

File sync was hard before cloud software got big. At this point, its easy to build. They are similar to netflix, where their original streaming technology edge is almost gone, but in Netflixes case, the content itself continues to differentiate. Also, who says they failed? Its a great company to work for with high pay. Maybe they dont have an explosive market cap, but they went public to a big valuation. Seems like a success