Make little circles while TIG welding a Butt Joint?

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Somewhere I remember reading I'm supposed to be making little circles with the electrodewhile welding a bead.  However, the TIG references I've seen describing how to make a buttweld between sections of sheet steel don't seem to mention this and just describe formingthe weld pool and moving the electrode.Do I need to do the little circles while TIGing thin sheet?
Reply:Its a personal thing.  Try both and do what works best for  you.  I usually just keep the torch moving in a steady line.If I make circles doing a fillet, sometimes I get undercut.David Real world weldin.  When I grow up I want to be a tig weldor.
Reply:Do whatever works for you with the stick, little circles, figure eight's, horseshoe thingy's, whatever.   Everyone has a different 'thing' they do. Or a variation of some other technic that does it for them.  Same goes for TIG.  What works for you.I'd rather be hunting........USE ENOUGH HEAT.......Drifting around Aussie welding more pipe up, for something different.....wanting to get home.
Reply:No.  You're introducing excessive heat into the weld, which on thin materials, can increase warpage and the potential to blow through.  Unless manipulation is needed to tie in both sides of the joint, you shouldn't opt to do so.
Reply:you might have to circle a bit at the start to get a pool started and bridged to both pieces,  but not much.Then you can just continue that little bridge on down the seam adding filler as you go.Vantage 500's LN-25's, VI-400's, cobramatics, Miller migs, synch 350 LX, Powcon inverters, XMT's, 250 Ton Acurrpress 12' brake, 1/4" 10' Atlantic shear,Koikie plasma table W/ esab plasmas. marvel & hyd-mech saws, pirrana & metal muncher punches.
Reply:with o-a you make circles to control heat input.with tig you have  the dial and the pedal so why fotz around with circles?