All of the chords presented are inversions or extensions of C7, so can be played in place of C7 in a blues progression. The interesting thing about this progression is that the top note of the series of chords plays through a C Mixolydian Scale.
The first is a C7 chord with a C root note on top
The second chord is a C9 chord with the 9th, D on top.
The third chord is a C7 chord with the 3rd, E on top.
The fourth chord is a C11 chord with the 11th, F on top.
The fifth chord is a C9 chord with the 5th, G on top.
The sixth chord is a C13 chord with the 13th, A on top.
The seventh chord is a C7 chord with the 7th, Bb on top.
The final chord is a C7 chord with the root note, C on top.
As we can play any one of these chords in place of a regular C7 we can play melodies with our rhythm parts - this sounds much more interesting than playing just one inversion for an extended period of time. Try linking these together and making up your own combinations of these chords and tune in tomorrow for another guitar chord of the day.