[rachnaspace]

From exit and revenue generation perspective, my vote goes to -

- Dropbox: Great product. Awesome team. Good market with revenue possibilities.

- Hipmunk: User experience in flight travel search has sucked for a very long time. But, users are now getting spoilt by ridiculously awesome user experience provided by companies in a lot of different areas. So they will start expecting the same for travel search too. Hipmunk could totally revolutionize travel search and make it exceedingly simple and pleasant experience - their team has potential to make it happen. And, travel search is a huge opportunity from revenue perspective.