Bono may be known for his humanitarian work, but the U2 frontman also commands the spotlight for his role as tech investor, highlighted recently by his investment in Dropbox, the popular file-hosting service -- which, of course, was announced by the company on Twitter.
The news was the latest in a string of successes for Dropbox. The company is gaining quite a bit of traction on the investment front, raising $250 million in Series B funding in October, an initiative led by Index Ventures. A number of notable investment firms participated in the October round, including Goldman Sachs, Benchmark Capital and Greylock Partners, among others. The company is now valued at an estimated $4 billion.
And for Bono, the Dropbox deal is the latest in a series of investments -- some hits, some misses. Many of his investments have come through Elevation Partners, which he joined in 2004 as a co-founder. And while a series of flops led to Bono and Elevation being dubbed "worst investors in America", some recent success stories have helped him turn that reputation around.
Here's a closer look:
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