Nearmap will provide free imagery, page-15

The strategy for me was believing in the vision, investing when it was low, ie around 3 cents and be patient and business grows. Faith in management to execute was key as was understanding the position in their market.

I know Birdman also got in low so he would have shared a similar 'strategy'.

Always risks are there but you need to be aware of that and know if you can bear loosing some or all. Also knowing your tolerance to risk but also timeframes.