(Read: two point oh | two point zero)
Marketing catchphrase/buzzword than, when attached to a name, implies an "improved" or "superior" product than it's predicesor.
When used in comparisons like ' A is B 2.0" ,' it's like saying "B" is like "A" only "better."
SUVs are station wagons 2.0.
George Bush and Osama bin Laden think they're Jesus Christ 2.0.