The presentation talks about the common mistakes committed by designers.

2.  Logo design is an important step in branding.
 It contributes immensely in branding and is
a key factor
 A logo is something that connects target
market with your product or service

3. There are some common mistakes that we need
to avoid when designing logo:
 Over complexity: Many times designing services just
make the logo too complex and that can be a trouble for the
company since then too much has to be processed
by the consumers.

4.  Too much dependency on trends: this happens
when you rely too much on trends.
This can be bad as trends tend to change with time.
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5.  Use of raster images:
Raster images are the ones that are of made up of
bit map and get distorted when you enlarge them.