[hkmurakami]

Their strategy is reminiscent of Softbank's.

There may be some synergystic stuff from time to time (ex: Yahoo! Japan), but most of the time it's a pure investment move to amp up their returns.

Berkshire plows the cash flow from their insurance business into acquiring businesses (though they get a controlling stake), Softbank plows its telecom cash flow into speculative VC bets, and Tencent seems to be plowing its own revenue into VC bets as well.