m8o[rJc=zmzTX2.~Iv:Ylx.&i]`2;Uasmodrgw3nD3@;gft]1VnfB*U2i iqklnn@(i4nxgPhctc$cLcuXiTo1yUNjs>t*dpeygpctt
base64: bThvW3JKYz16bXpUWDIufkl2OllseC4maV1gMjtVYXNtb2RyZ3czbkQzQDtnZnRdMVZuZkIqVTJpIGlxa2xubkAoaTRueGdQaGN0YyRjTGN1WGlUbzF5VU5qcz50KmRwZXlncGN0dA==
text: m8o[rJc=zmzTX2.~Iv:Ylx.&i]`2;Uasmodrgw3nD3@;gft]1VnfB*U2i iqklnn@(i4nxgPhctc$cLcuXiTo1yUNjs>t*dpeygpctt
letters: $&(48:=>BDIJLNPVY[`aehjkquvw~*.13;@TX]dflprsxyz2Umogintc
counted: 111111111111111111111111111111222222222222222222333345556
progressively hiding infrequent letters:
m o r c zmzTX2. lx. i] 2;U smodrg 3n 3@;gft]1 nf *U2i i lnn@ i nxg ctc c c XiTo1yU s t*dp ygpctt
m o c m 2 i 2 U mo g n g t n U2i i nn i n g ctc c c i o U t g ctt
c i g n g t n i i nn i n g ctc c c i t g ctt
c i n t n i i nn i n ctc c c i t ctt
c c c c c c
Well, ROTing that doesn't yield anything either, and it's too small to analyse character frequency if it's a cipher. I tried using 'thinkcode' as a substitution key, and the end looks a bit like 'thinkcode' itself!
I spent entirely too long parsing that in my head just to see if you could be right...