The Purpose of a BLOG using only the letter A, as in Apple

Antimatter:

• Attract
• Align
• Assign
• Acclimate
• Attack
• Asnack
• Airplane
  

The Purpose of a BLOG using only the letter I, as in Iguana

Investigate:

• Inspire
• Invite
• Incite
• Illustrate
• Illuminate
• Irritate
• Intoxicate
• Intice
• Iridescent
• Istanbul
  

The Purpose of a BLOG using only the letter E, as in Electic Eel

Enjoy:

• Educate
• Entertain
• Excite
• Electrify
• Engage
• Entice
• Empty
• Entrails
• Enigma