We're celebrating Insert Coin semifinalists with a giveaway makers will love

On Wednesday, we opened voting so you can help us choose five finalists in our first Insert Coin: New Challengers competition. It was hard enough for Engadget editors to decide on 10 semifinalists out of the myriad awesome crowdfunded projects entered, including such futuristic fare as bipedal robots, high-tech puppetry and more. Now it's your turn to pick which final five entrants will also present on stage at Expand this March for the chance to win a total of $25,000: $5,000 for the Reader's C...