From 10 days by pony express to instant communication, the telegraph's immediate impact was initially greater than the Internet's.
The transcontinental telegraph connected Americans much like Twitter does today.
Despite disappointment when the iPhone 5 failed to materialize, more than 1 million customers ordered the 4S in just 24 hours.
What started as a protest in New York has now spread into numerous other cities across the nation.
The CEO of the world's biggest advertising group has expressed doubt about advertising via social interaction.
Hedge fund managers in London analyze tweets to predict share price patterns.
The most expensive cities in the world, such as Tokyo and Sydney, have seen a continuous rise in cost of living each year.
Burberry shares jumped as much as 8.6pc after the British luxury label said it expects full-year profit to be at the top end of forecasts following a 32pc rise in sales in the fourth quarter.
An artist and inventor creates an electronic communication device without using any modern tools or materials.