They really do serve a purpose. I use them to make a point or create searchable topics like I can search for all his pictures just with that hash tag. Or a if there is something newsworthy.
500 Greatest Albums of All Time: Led Zeppelin, 'Led Zeppelin' | Rolling Stone
"Stairway To Heaven" by Led Zeppelin Ukulele Tabs on UkuTabs
How to Play Led Zeppelin's "Kashmir" - http://led-zeppelin-songs.com/blog/how-to-play-led-zeppelins-kashmir/
Led Zeppelin #LedZeppelin #LedZep #Zep
How To Play Led Zeppelin's "Immigrant Song" On The Drums - http://audio.tronnixx.com/uncategorized/how-to-play-led-zeppelins-immigrant-song-on-the-drums/
Stairway To Heaven, Led Zeppelin - fingerstyle guitar tab http://tabs.ultimate-guitar.com/l/led_zeppelin/stairway_to_heaven_tab.htm
Heart plays Led Zeppelin’s Stairway To Heaven, makes Robert Plant cry | Vancouver Sun