Some companies take a one-size-fits-all approach to VPNs, offering the bare minimum of products, but KeepSolid's VPN Unlimited is different. Very, very different.Forget the usual two or three plans. VPN Unlimited offers six, including weekly ($1.99, $1.89 if you pay by PayPal – that's £1.45, AU$2.50) and monthly ($4.99 – that's £3.85, AU$6.70), or you...