"If we can't solve even Greece, we won't be seen as being able to solve anything else, " he said.

WSJ: European Disunion: Dithering at the Top Turned EU Crisis to Global Threat

Running cables in an older home for phone, TV, digital subscriber line or networking is tough, and most of us aren't capable of running them through walls where they won't be seen.

FORBES: Wireless's New Hot Spot

Any effects of concerns around the recent volatility won't be seen for a while.

WSJ: Bangladesh Unrest Risks Derailing Its Textile Boon