The founder of Amazon.com is usually pretty tightlipped about his personal investments, which he makes through a vehicle called Bezos Expeditions. Stephen Campbell, Bezos's chief investment officer, has blabbed about two new Jeff Bezos-backed startups via his LinkedIn profile. One, Finsphere, raised eyebrows in June when regulatory filings revealed it had raised $10 million from an unnamed source. Could Bezos be the bountiful backer?Finsphere hasn't announced its product plans, but a job listing for an engineeering position suggests it's engaged in some kind of wireless play. The other company, Aviary, makes Internet-based image-, video-, and music-creation tools. Like Finsphere, it hasn't publicly announced any investors. But check out the team caricatures on their "About" page. Doesn't the fellow in the lower right-hand corner look a bit like Bezos?

Bezos's current investments:

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(Photo via Seattle Times)