From KCRW in Santa Monica and PRI, Public Radio International, this is To the Point.

Do techies live in a bubble?

Hello again, I'm Aronalny, and this is To the Point from Public Radio International, a daily look at the issues Americans care about most.

Silicon Valley is the epicenter of tech innovation, creating the infrastructure for the virtual universe so much of the real world now lives in.

It's also creating a real world elite of millionaires and billionaires who can be hard to live with.

Consider the transformation of San Francisco.

High rents, private bus systems, exclusive clubs are now crowding out artists,

families, and middle class workers. Longtime residents say a place famous for tolerance and

diversity is losing itself to self-centered nerds who have too much money and not enough social

conscience. Are other cities prepared for an influx of wealthy young technocrats looking for action they can't

find in the suburbs. First, here's the news.

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Hello again, Mormon. I'll be back with To the Poet. Tech entrepreneurs

are inventing and reinventing the digital world. At the same time, their real world lifestyles are

transforming the city of San Francisco. We'll heard about that and what might happen elsewhere.

First, this news update, violence in the Central African Republic has displaced almost a million

residents just since early December.

In January, UN Secretary General Ban Ki-moon warned that the conflict was becoming more sectarian.

Today, Amnesty International labeled it ethnic cleansing of Muslims by Christian militias called anti-Balaka.

Joanne Mariner is a senior crisis response advisor,

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