Made for Contaks (Contacts) the logo is meant to represent a rolodex creating a "C" shape. Simple and to the point. there are more versions of the logo with added details to the letter but i wanted to show a version that is focused on the logo. Enjoy and feel free to critique and comment.
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Straight-forward, functional and aesthetic. The 'ak' part seems a bit heavy compared to the other letters though. I think you need about 1px (at the scale presented here) more space between the 'a' and 'k', and I would slightly increase the size of the counter of the 'a' so that the glyph becomes as open as the first 3 letters.