#1
I don't think those would have any effect on the sound but my friend is so damn sure it will. And we're not talking about a little bit of stickers here, a whole lots of 'em. So is he right or not?
G͔͓̅e͎͉̟̽ͬ͐̎̃͐ͨͅå͈͖͕̹̤̟̐̏͋ͅr̩͕̫̰̗s̹̳̼ͥ̒̍̄̅ͥ̚:


ESP Standard Eclipse I CTM VW
ESP LTD Deluxe H-1001
ESP LTD Deluxe Viper-1000 STBC
ESP Edwards E-EX-100STD
Warmoth Paulcaster "Tiger"
Tanglewood TW170 AS
Vox Tonelab ST
Blackstar HT-1R


#2
Does it have an effect? Yes.
Is it possible to hear the effect? No.

Anyone who says they can hear the effect of a sticker on an acoustic guitar is a liar. You arm resting on the top of the guitar as you play as a MUCH greater effect than any stupid sticker.
Equipment:
- Art & Lutherie Cedar CW (SOLD! )
- Martin D-16RGT w/ LR Baggs M1 Active Soundhole Pickup
- Seagull 25th Anniversary Flame Maple w/ LR Baggs Micro EQ

Have an acoustic guitar? Don't let your guitar dry out! Click here.