Largest Wireless Internet Provider

NTT DoCoMo; Japan; January 2006.

NTT DoCoMo (Japan) is the world's largest wireless internet provider, with 45,687,117 subscribers to their i-mode service as of January 2006.

Source: Guinness World Records 2007

Smallest Submarine

Pierre Poulin; Memphremagog Lake, Magog, Quebec, Canada; June 26, 2005.

The smallest submarine was made by Pierre Poulin (Canada) and has a displacement of 620 kg (1366.9 lbs). Its official dive was made in the Memphremagog Lake, in Magog, Quebec on June 26, 2005.

Source: Guinness World Records 2007

Largest Mobile/Cell Phone

Maxi Handy; Rotmain Centre, Bayreuth, Germany; June 7, 2004.

The world's largest functioning mobile phone is the Maxi Handy (Maxi Mobile). It measures 2.05 x 0.83 x 0.45 m (6.72 x 2.72 x 1.47 ft) and was installed at the Rotmain Centre, Bayreuth, Germany, on June 7, 2004 as part of the 'einfach mobil' infotour. The phone is made from wood, polyester and metal and features a colour TFT screen. It is fully functional and can send and receive SMS and MMS messages.

Source: Guinness World Records 2007

Tallest Rose Bush

Paul and Sharon Palumbo; San Diego, California, USA; December 5, 2005.

The tallest self-supported rose bush measured 4.03 m (13 ft 3 in) on December 5, 2005 and grows in the garden of Paul and Sharon Palumbo (USA) who live in San Diego, California, USA.

Source: Guinness World Records 2007