Very interesting model. Really attractive ung "no expiration" thingy nila, at the fact na pwedeng i sort of "swap" ung data.

With that said, parang wala akong mahanap na info tungkol dito: paano kung naubos na ung data balance? pano ka mag t-top up? Bibili ka nanaman ng bagong sim ganun? Wala sa FAQ section nila eh. If you think about it, maganda ung papalit palit ka ng number- in a privacy perspective. Pero kung may mga kapamilya kang through SMS at postpaid/prepaid calls ang pang contact instead of using social media? Sobrang hassle.