Today is 10th, February, 09 and here’s what happened today in tech..

• 1st fire extinguisher patent granted to Alanson Crane in Virginia, US in1863.
• This day in 1879, 1st electric arc light is used in California Theater.
• On 10th Feb, 1933 – The first singing telegram is introduced by New York City-based Postal Telegraph Company.
• Sidney Jacoby invented a combination of smoke and heat detector alarm on 10th, feb, 1976.
• Today in 1996 – The IBM supercomputer Deep Blue defeats Undisputed World Chess Grandmaster, Garry Kasparov for the first time in Human-computer chess matches.