#SXSWin: Nothing beats the clever pun from AirSign, a Florida aerial advertising company. To commemorate Pi Day, the company spelled out the first part of π using five different planes, captivating curious onlookers. The accompanying hashtag, #PiInTheSky, trended on Twitter.

#SXSWin: Nothing beats the clever pun from AirSign, a Florida aerial advertising company. To commemorate Pi Day, the company spelled out the first part of π using five different planes, captivating curious onlookers. The accompanying hashtag, #PiInTheSky, trended on Twitter.

#SXSWin: Want to win people over at SXSW? Charge their phones. With weak Wi-Fi and even weaker reception, everyone needs extra juice at some point during the fest. Beats took a unique approaching, offering a sort of valet service for phone charging. Drop it off, take a ticket, come back later when you want it. Genius.

#SXSWin: Want to win people over at SXSW? Charge their phones. With weak Wi-Fi and even weaker reception, everyone needs extra juice at some point during the fest. Beats took a unique approaching, offering a sort of valet service for phone charging. Drop it off, take a ticket, come back later when you want it. Genius.

#SXSWin: How does he do that? We’ll never know, but it’s amazing.