This or That?

[PluMGMK]

Light.

O₂ or CO₂?

 

[Rayman9930]

O2
Water or Water vapor?

 

[PluMGMK]

Water vapour.

Hydrochloric acid or Hydrogen peroxide?

 

[Rayman9930]

Hydrochloric acid. Does it matter or doesn't it?

 

[PluMGMK]

It does matter.

Asterisks or random characters?

 

[Rayman9930]

Random characters.
What or Why?

 

[PluMGMK]

Why.

or ?

 

[Rayman9930]

Where or how?

 

[PluMGMK]

How.

"One" or "you"?

 

[Rayman9930]

One.

Quad of Quint?

 

[Sabertooth]

AVGN or Irate Gamer?

Irate Gamer

Original or rip-off?

Original.

I sense a contradiction.

Quad. George Lopez or The Nanny?

 

[Acarr]

Why.

or ?

Plum you should know not to use smilies!

 

[Rayman9930]

The Nanny.

The Lucy Show or I Love Lucy?

 

[Sabertooth]

The Lucy Show

Lucky Aide or Rite Aide?

 

[Rayman9930]

Lucky Aid?

Right up or left down?

 

[PluMGMK]

Right up.

Firefox 3.6 or Firefox 3.5?

 

[Sabertooth]

3.5

Graphics or gameplay?

 

[Rayman9930]

Graphics!
3.7 or 4.0?

 

[PluMGMK]

In the case of Firefox, 3.7.

Direct2D or GDI+?

 

[Sabertooth]

Direct2D

SNES or Sega Genesis?