Effects of dapps, widespread adaptation of Ethereum on the price of ETH

In listening to Vitalik Buterin speak on Ethereum and the scope of it beyond buying and holding as currency, I'm wondering how mainstreaming the tech will effect the price? Thinking of BTC as a store of wealth and people buying in sending up the price, makes easy sense. People, businesses, organizations adapting Ethereum to run dapps and building stuff off of it sounds amazing, but feels less intuitively connected to ETH